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특허 상세정보

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High solids slurry polymerization

특허상세정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) C08F-002/06   
미국특허분류(USC) 526/064 ; 526/104 ; 526/348
출원번호 US-0893200 (1997-07-15)
발명자 / 주소
  • Hottovy John D.
  • Hensley Harvey D.
  • Przelomski David J.
  • Cymbaluk Teddy H.
  • Franklin
  • III Robert K.
  • Perez Ethelwoldo P.
출원인 / 주소
  • Phillips Petroleum Company
대리인 / 주소
    Owen
인용정보 피인용 횟수 : 320  인용 특허 : 16
초록
▼

An olefin polymerization process wherein monomer, diluent and catalyst are circulated in a continuous loop reactor and product slurry is recovered by means of a continuous product take off. The continuous product allows operating the reaction at significantly higher solids content in the circulating slurry. In a preferred embodiment, the slurry is heated in a flash line heater and passed to a high pressure flash where a majority of the diluent is separated and thereafter condensed by simple heat exchange, without compression, and thereafter recycled. Als...

대표
청구항
▼

[ That which is claimed is:] [1.]1. A polymerization process comprising:polymerizing, in a loop reaction zone, at least one olefin monomer in a liquid diluent to produce a fluid slurry comprising liquid diluent and solid olefin polymer particles;maintaining a concentration of solid olefin polymer particles in said slurry in said zone of greater than 40 weight percent based on the weight of said polymer particles and the weight of said liquid diluent;continuously withdrawing said slurry comprising withdrawn liquid diluent and withdrawn solid polymer parti...

이 특허에 인용된 특허 (16)

  1. Burns David H. (Bartlesville OK) Martin William E. (Bartlesville OK), Apparatus for controlling removal of polymerization reaction effluent.
  2. Sherk Fred T. (Bartlesville OK) Inkrott Janet L. (Bartlesville OK), Diluent and inert gas recovery from a polymerization process.
  3. Jezl ; James L. ; Peters ; Edwin F., Drying and finishing operations in slurry or bulk phase polymerization processes.
  4. Ayres C. A. (Bartlesville OK) Scott ; Jr. John N. (McLean VA) Sherk Fred T. (Tokyo JPX), Loop reactor settling leg system for separation of solid polymers and liquid diluent.
  5. Scholz Norbert (Mannheim DT) Vock Georg Friedrich (Ludwigshafen DT) Erdmann Kurt (Lambsheim DT) John Guenther (Ludwigshafen DT) Frielingsdorf Hans (Bad Duerkheim DT) Gruber Wolfgang (Frankenthal DT) , Manufacture of particulate olefin polymers.
  6. Burns David H. (Houston TX) Martin William E. (Houston TX), Method for controlling removal of polymerization reaction effluent.
  7. Kirch William (Clinton IA), Method of making and recovering olefin polymer particles.
  8. Hottovy John D. (Bartlesville OK), Polymer recovery process.
  9. Irvin ; Howard B. ; Sherk ; Fred T., Polyolefin reactor system.
  10. Mueller-Mall Rudolf (Neuhofen DEX) Funk Guido (Worms DEX) Bachl Robert (Worms DEX) Hennenberger Peter (Freinsheim DEX) Kolk Erich (Bad Duerkheim DEX), Preparation of finely divided homopolymers and copolymers of ethene using a liquid alkane as reaction medium.
  11. Hanson Donald O. (Bartlesville OK), Process and apparatus for separating diluents from solid polymers utilizing a two-stage flash and a cyclone separator.
  12. Hanson Donald O. (Bartlesville OK), Process for separating diluents from solid polymers utilizing a two-stage flash and a cyclone separator.
  13. Hanson Donald O. (Bartlesville OK), Separation of solid polymers and liquid diluent.
  14. Hanson Donald O. (Bartlesville OK) Sherk Fred T. (Bartlesville OK), Separation of solid polymers and liquid diluent.
  15. White Victor Albert Montgomery (Delta Gray ; Mere Road Finmere Buckinghamshire MK19 4AR GB3) Potts Stephen Edward (4 Sherwood Court ; Alexandra Road Andover ; Hampshire SP10 3AE GB3), Treatment of hygroscopic material.
  16. Messura Kathleen A. (Aiken SC) Ayres Charles A. (Bartlesville OK), Vapor recovery from particles containing same.

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  126. Hlavinka, Mark L.; Ding, Errun; DesLauriers, Paul; Inn, Yongwoo; Cui, Lili; Yang, Qing; Sukhadia, Ashish; St. Jean, Guylaine; Buck, Richard M., Higher density polyolefins with improved stress crack resistance.
  127. Hlavinka, Mark L.; Ding, Errun; DesLauriers, Paul; Inn, Yongwoo; Cui, Lili; Yang, Qing; Sukhadia, Ashish; St. Jean, Guylaine; Buck, Richard M., Higher density polyolefins with improved stress crack resistance.
  128. Ji, Lei; Chang, Ai-Fu, Hydrocarbon recovery with pressure swing adsorption.
  129. Ji, Lei; Chang, Ai-Fu, Hydrocarbon recovery with pressure swing adsorption.
  130. Yu, Youlu; Tso, Chung C.; Rohlfing, David C.; Deslauriers, Paul J.; Hildebrand, Melvin; McDaniel, Max P.; Yang, Qing, Hyperbranched polymers and methods of making and using same.
  131. Murray, Rex E.; Slaughter, LeGrande Mancel; Prema, Dipesh; Chen, Jinhui, Imino carbene compounds and derivatives, and catalyst compositions made therefrom.
  132. Dooley, Kenneth A., Inert stripping of volatile organic compounds from polymer melts.
  133. Ege, Stephen L.; Romig, Ralph W., Liquid-solid sampling system for a loop slurry reactor.
  134. Ege, Stephen L.; Romig, Ralph W., Liquid-solid sampling system for a loop slurry reactor.
  135. Yu, Youlu; Schwerdtfeger, Eric D.; McDaniel, Max P.; Solenberger, Alan L.; Clear, Kathy S., Long chain branched polymers and methods of making same.
  136. Yu, Youlu; Schwerdtfeger, Eric D.; McDaniel, Max P.; Solenberger, Alan L.; Clear, Kathy S., Long chain branched polymers and methods of making same.
  137. Yu, Youlu; Schwerdtfeger, Eric D.; McDaniel, Max P.; Solenberger, Alan L.; Collins, Kathy S., Long chain branched polymers and methods of making same.
  138. Mihan, Shahram; Gsella, Wolfgang; Kölle, Peter; Wulff Döring, Joachim, Loop reactor with varying diameter for olefin polymerization.
  139. Mihan, Shahram; Gsella, Wolfgang; Kölle, Peter; Wulff Döring, Joachim; Meierhöfer, Markus, Loop reactor with varying diameter for olefin polymerization.
  140. McDaniel, Max P.; Sukhadia, Ashish M.; Ding, Errun; Tso, Chung Ching; Masino, Albert P.; Yang, Qing; Guatney, Lloyd W.; St. Jean, Guylaine; Hert, Daniel G., Low density polyolefin resins and films made therefrom.
  141. McDaniel, Max P.; Sukhadia, Ashish M.; Ding, Errun; Tso, Chung Ching; Masino, Albert P.; Yang, Qing; Guatney, Lloyd W.; St. Jean, Guylaine; Hert, Daniel G., Low density polyolefin resins and films made therefrom.
  142. Sukhadia, Ashish M.; McDaniel, Max P.; Ding, Errun; St. Jean, Guylaine; Yang, Qing; Hert, Daniel G.; Tso, Chung Ching, Low density polyolefin resins with low molecular weight and high molecular weight components, and films made therefrom.
  143. Sukhadia, Ashish M.; McDaniel, Max P.; Ding, Errun; St. Jean, Guylaine; Yang, Qing; Hert, Daniel G.; Tso, Chung Ching, Low density polyolefin resins with low molecular weight and high molecular weight components, and films made therefrom.
  144. Sukhadia, Ashish M.; McDaniel, Max P.; Ding, Errun; St. Jean, Guylaine; Yang, Qing; Hert, Daniel G.; Tso, Chung Ching, Low density polyolefin resins with low molecular weight and high molecular weight components, and films made therefrom.
  145. Sukhadia, Ashish M; St. Jean, Guylaine; Yang, Qing; McDaniel, Max P., Medium density polyethylene compositions.
  146. Ding, Errun; Yang, Qing; Yu, Youlu; Guatney, Lloyd W.; Askew, Jim B., Metallocene and half sandwich dual catalyst systems for producing broad molecular weight distribution polymers.
  147. Ding, Errun; Yang, Qing; Yu, Youlu; Guatney, Lloyd W.; Askew, Jim B., Metallocene and half sandwich dual catalyst systems for producing broad molecular weight distribution polymers.
  148. Hottovy, John D., Method and system for energy generation in a chemical plant by utilizing flare gas.
  149. Yang, Qing; Murray, Rex E.; Buck, Richard M., Method and system for forming a precursor compound for non-bridged unsymmetric polyolefin polymerization catalyst.
  150. Greco, Jeff F; Yang, Qing; Rohatgi, Vivek; Hlavinka, Mark L.; Askew, Jim B, Methods for controlling die swell in dual catalyst olefin polymerization systems.
  151. Yang, Qing; Crain, Tony R.; Lanier, Jerry T.; Fodor, Jeff S., Methods for controlling dual catalyst olefin polymerizations.
  152. Yang, Qing; McDaniel, Max P.; Crain, Tony R.; Masino, Albert P.; Cymbaluk, Ted H.; Stewart, John D., Methods for controlling dual catalyst olefin polymerizations with an alcohol compound.
  153. Yang, Qing; McDaniel, Max P.; Ding, Errun; Cymbaluk, Ted H.; Crain, Tony R.; Glass, Gary L., Methods for controlling dual catalyst olefin polymerizations with an organozinc compound.
  154. Cruz, Carlos A.; Barr, Jared L., Methods for controlling molecular weight and molecular weight distribution.
  155. Yang, Qing; Buck, Richard M., Methods for determining transition metal compound concentrations in multicomponent liquid systems.
  156. Ding, Errun; Beaulieu, William B., Methods for increasing polymer production rates with halogenated hydrocarbon compounds.
  157. Ding, Errun; Beaulieu, William B., Methods for increasing polymer production rates with halogenated hydrocarbon compounds.
  158. Schwerdtfeger, Eric D.; Clear, Kathy S.; McDaniel, Max P., Methods for making fluorided chromium (VI) catalysts, and polymerization processes using the same.
  159. McDaniel, Max P.; Kilgore, Uriah; Yang, Qing; Clear, Kathy S., Methods for producing fluorided-chlorided silica-coated alumina activator-supports and catalyst systems containing the same.
  160. McDaniel, Max P.; Kilgore, Uriah; Yang, Qing; Collins, Kathy S., Methods for producing fluorided-chlorided silica-coated alumina activator-supports and catalyst systems containing the same.
  161. Yang, Qing; McDaniel, Max P.; Crain, Tony R., Methods for producing metal-containing sulfated activator-supports.
  162. Yang, Qing; McDaniel, Max P.; Crain, Tony R., Methods for producing metal-containing sulfated activator-supports.
  163. Rajaendran, George R.; McDaniel, Max P.; Hendrickson, Gregory G.; Stewart, John D.; Hottovy, John D.; Cymbaluk, Ted H.; Lane, Susannah; Hernandez, Richard A.; Johnson, Elliott W.; Yang, Qing; Valerioti, William L.; Schwerdtfeger, Eric; Masino, Albert P., Methods for removing polymer skins from reactor walls.
  164. Yang, Qing; Crain, Tony R.; Rajaendran, George R., Methods for restoring metallocene solids exposed to air.
  165. Yang, Qing; McDaniel, Max P.; Crain, Tony R.; Clear, Kathy S., Methods for terminating olefin polymerizations.
  166. Yang, Qing; McDaniel, Max P.; Crain, Tony R.; Collins, Kathy S., Methods for terminating olefin polymerizations.
  167. Yang, Qing; McDaniel, Max P.; Crain, Tony R.; Collins, Kathy S., Methods for terminating olefin polymerizations.
  168. McDaniel, Max P.; Benham, Elizabeth A., Methods of activating chromium catalysts.
  169. Yang, Qing; McDaniel, Max P.; Crain, Tony R.; Masino, Albert P.; Cymbaluk, Ted H.; Stewart, John D., Methods of controlling dual catalyst olefin polymerizations with an alcohol compound.
  170. McDaniel, Max P.; Collins, Kathy S., Methods of preparing a catalyst.
  171. McDaniel, Max P.; Schwerdtfeger, Eric D.; Praetorius, Jeremy M.; Solenberger, Alan L.; Clear, Kathy S., Methods of preparing a catalyst.
  172. Praetorius, Jeremy M.; Schwerdtfeger, Eric D.; McDaniel, Max P.; Cymbaluk, Ted H.; Boxell, Connor D.; Collins, Kathy S.; Solenberger, Alan L., Methods of preparing a catalyst.
  173. Praetorius, Jeremy M.; Schwerdtfeger, Eric D.; McDaniel, Max P.; Cymbaluk, Ted H.; Boxell, Connor D.; Collins, Kathy S.; Solenberger, Alan L., Methods of preparing a catalyst.
  174. Praetorius, Jeremy M.; Schwerdtfeger, Eric D.; McDaniel, Max P.; Cymbaluk, Ted H.; Boxell, Connor D.; Solenberger, Alan L.; Clear, Kathy S., Methods of preparing a catalyst.
  175. Benham, Elizabeth A.; McDaniel, Max P.; Collins, Kathy S.; Wharry, Stephen M., Methods of preparing a polymerization catalyst.
  176. McDaniel, Max P.; Benham, Elizabeth A.; Muninger, Randall S., Methods of preparing a polymerization catalyst.
  177. McDaniel, Max P.; Collins, Kathy S., Methods of preparing a polymerization catalyst.
  178. McDaniel, Max P.; Collins, Kathy S., Methods of preparing a polymerization catalyst.
  179. McDaniel, Max P.; Collins, Kathy S., Methods of preparing a polymerization catalyst.
  180. McDaniel, Max P.; Collins, Kathy S., Methods of preparing a polymerization catalyst.
  181. McDaniel, Max P.; Collins, Kathy S.; Benham, Elizabeth A.; Beaulieu, William B., Methods of preparing a polymerization catalyst.
  182. McDaniel,Max P.; Collins,Kathy S.; Benham,Elizabeth A.; DesLauriers,Paul J., Methods of preparing active chromium/alumina catalysts via treatment with sulfate.
  183. Tait, John H.; Murphy, Robert S.; Watts, Michael A.; Gupta, Anurag, Monomer recovery by returning column overhead liquid to the reactor.
  184. Gupta, Anurag; Odi, Timothy O.; Romig, Ralph W., Monomer/diluent recovery.
  185. Gupta, Anurag; Odi, Timothy O.; Romig, Ralph W., Monomer/diluent recovery.
  186. Martin, Joel L.; Jayarante, Kumudini; Thorn, Matthew G.; Lanier, J. Todd; McDaniel, Max P.; Yang, Qing; Jensen, Michael D.; DesLauriers, Paul J.; Krishnaswamy, Rajendra K., Multimodal polyethylene compositions and pipe made from same.
  187. Murray, Rex E.; Jayaratne, Kumudini C.; Yang, Qing; Martin, Joel L.; Glass, Gary L., Nano-linked heteronuclear metallocene catalyst compositions and their polymer products.
  188. Murray, Rex E.; Jayaratne, Kumudini C.; Yang, Qing; Martin, Joel L.; Glass, Gary L., Nano-linked heteronuclear metallocene catalyst compositions and their polymer products.
  189. Murray, Rex E.; Jayaratne, Kumudini C.; Yang, Qing; Martin, Joel L., Nano-linked metallocene catalyst compositions and their polymer products.
  190. Murray, Rex E.; Jayaratne, Kumudini C.; Yang, Qing; Martin, Joel L., Nano-linked metallocene catalyst compositions and their polymer products.
  191. Murray, Rex E.; Jayaratne, Kumudini C.; Yang, Qing; Martin, Joel L., Nano-linked metallocene catalyst compositions and their polymer products.
  192. Murray, Rex E.; Jayaratne, Kumudini C.; Yang, Qing; Martin, Joel L., Nano-linked metallocene catalyst compositions and their polymer products.
  193. Murray, Rex E.; Jayaratne, Kumudini C.; Yang, Qing; Martin, Joel L., Nano-linked metallocene catalyst compositions and their polymer products.
  194. Marrow,David Geoffrey; Englehorn,Blu Eric; Yahn,David A., On-line analysis of polymer properties for control of a solution phase reaction system.
  195. Marrow,David Geoffrey; Cochran,Andrew M.; Roger,Scott Thomas, On-line measurement and control of polymer product properties by Raman spectroscopy.
  196. Long,Robert L.; Marrow,David G., On-line measurement and control of polymer properties by raman spectroscopy.
  197. Marrow,David Geoffrey; Yahn,David A.; Veariel,Thomas R., On-line properties analysis of a molten polymer by raman spectroscopy for control of a mixing device.
  198. Marrow,David Geoffrey; Yahn,David A., On-line raman analysis and control of a high pressure reaction system.
  199. Cui, Lili; Sukhadia, Ashish M.; Rohatgi, Vivek, Peroxide treated metallocene-based polyolefins with improved melt strength.
  200. Cui, Lili; Sukhadia, Ashish M.; Rohatgi, Vivek, Peroxide treated metallocene-based polyolefins with improved melt strength.
  201. Cui, Lili; Sukhadia, Ashish M.; Rohatgi, Vivek, Peroxide treated metallocene-based polyolefins with improved melt strength.
  202. Lanier, Elizabeth M.; Hauger, Bryan, Polyethylene additive compositions and articles made from same.
  203. Sukhadia,Ashish M.; Lanier,Elizabeth M.; Moore,Louis, Polyethylene compositions.
  204. Tso, Chung; Barr, Jared L.; Frey, Kelly; Cruz, Carlos A.; Yu, Youlu; Bridendolph, Bill; Yang, Qing; Inn, Yongwoo; Fisher, William; McDaniel, Max P.; Sukhadia, Ashish M.; Rutledge-Ryal, Brandy; Hert, Daniel G., Polyethylene compositions and methods of making and using same.
  205. Tso, Chung; Cruz, Carlos A.; Yang, Qing; McDaniel, Max P.; Barr, Jared L.; Yu, Youlu; Inn, Yongwoo; Sukhadia, Ashish M.; Rutledge-Ryal, Brandy; Hert, Daniel G.; Frey, Kelly; Bridendolph, Bill; Fisher, William, Polyethylene compositions and methods of making and using same.
  206. Krishnaswamy, Rajendra K.; Yang, Qing; Rohlfing, David C.; McDaniel, Max P.; Jayaratne, Kumudini C.; French, Jim E., Polyethylene compositions and pipe made from same.
  207. Sukhadia, Ashish M.; McDaniel, Max P.; Cymbaluk, Ted; Krishnaswamy, Rajendra K.; Szmutko, Lawrence, Polyethylene film having improved barrier properties and methods of making same.
  208. Sukhadia, Ashish M.; Martin, Joel L.; Yang, Qing; Jayaratne, Kumudini C.; Lanier, J. Todd, Polyethylene film having improved mechanical and barrier properties and method of making same.
  209. Bhandarkar, Maruti; Benham, Elizabeth A; Gonzales, Rebecca A.; Kufeld, Scott E.; Mutchler, Joel A; Gill, Catherine M.; Nguyen, Thanh T.; Odi, Timothy O., Polyethylene production with multiple polymerization reactors.
  210. Bhandarkar, Maruti; Benham, Elizabeth Ann; Gonzales, Rebecca A.; Kufeld, Scott E.; Mutchler, Joel A.; Gill, Catherine M.; Nguyen, Thanh T.; Odi, Timothy O., Polyethylene production with multiple polymerization reactors.
  211. Bhandarkar, Maruti; Benham, Elizabeth Ann; Gonzales, Rebecca A.; Kufeld, Scott E.; Mutchler, Joel A.; Gill, Catherine M.; Nguyen, Thanh T.; Odi, Timothy O., Polyethylene production with multiple polymerization reactors.
  212. Hlavinka, Mark L.; Yang, Qing; Beaulieu, William B.; Deslauriers, Paul J., Polymer compositions and methods of making and using same.
  213. Hlavinka, Mark L.; Yang, Qing; Beaulieu, William B.; Deslauriers, Paul J., Polymer compositions and methods of making and using same.
  214. Hlavinka, Mark L.; Yang, Qing; Beaulieu, William B.; Deslauriers, Paul J., Polymer compositions and methods of making and using same.
  215. Yang, Qing; McDaniel, Max P.; Beaulieu, William B.; Yu, Youlu; Crain, Tony R., Polymer compositions for blow molding applications.
  216. Buck, Richard M.; Masino, Albert P.; Yang, Qing; DesLauriers, Paul J.; Secora, Steven J.; Lanier, Elizabeth M.; St. Jean, Guylaine; Ratzlaff, Jon D.; Wittner, Christopher E., Polymer compositions for rotational molding applications.
  217. Addcox, Jim H.; St. Jean, Guylaine, Polymer compositions having improved barrier properties.
  218. Hlavinka, Mark L.; Yang, Qing; St. Jean, Guylaine; Gill, Brooke A.; Gagan, Deloris R., Polymer compositions having improved barrier properties.
  219. Yang, Qing; Hlavinka, Mark L.; St. Jean, Guylaine; Gill, Brooke A., Polymer compositions having improved barrier properties.
  220. Deslauriers, Paul J.; Stark, Jerry, Polymer compositions having improved processability and methods of making and using same.
  221. Yu, Youlu; Yang, Qing; Deslauriers, Paul J.; Lamborn, Mark J.; Inn, Yongwoo, Polymer compositions having improved processability and methods of making and using same.
  222. Yu, Youlu; Yang, Qing; Deslauriers, Paul J.; Lamborn, Mark J.; Inn, Yongwoo, Polymer compositions having improved processability and methods of making and using same.
  223. Tso, Chung; Sukhadia, Ashish M.; Masino, Albert P., Polymer films having improved heat sealing properties.
  224. Tso, Chung; Sukhadia, Ashish M.; Masino, Albert P., Polymer films having improved heat sealing properties.
  225. St. Jean, Guylaine; Yang, Qing; Tso, Chung; McDaniel, Max P., Polymer resins having improved barrier properties and methods of making same.
  226. Inn, Yongwoo; Yang, Qing, Polymer resins with improved processability and melt fracture characteristics.
  227. Gupta, Anurag; Balinsky, Anne M; McElvain, Robert R; Stewart, John D, Polymerization catalyst delivery.
  228. McDaniel, Max P.; Collins, Kathy S.; Schwerdtfeger, Eric D.; Solenberger, Alan L., Polymerization catalysts and polymers.
  229. Yang, Qing; Crain, Tony R., Polymerization catalysts for producing polymers with high comonomer incorporation.
  230. Yang, Qing; Crain, Tony R., Polymerization catalysts for producing polymers with high comonomer incorporation.
  231. Yang, Qing; McDaniel, Max P.; Martin, Joel L.; Yu, Youlu; Rohlfing, David C.; Jensen, Michael D., Polymerization catalysts for producing polymers with low melt elasticity.
  232. Yang, Qing; McDaniel, Max P.; Martin, Joel L.; Yu, Youlu; Rohlfing, David C.; Jensen, Michael D., Polymerization catalysts for producing polymers with low melt elasticity.
  233. Yang, Qing; McDaniel, Max P.; Martin, Joel L.; Yu, Youlu; Rohlfing, David C.; Jensen, Michael D., Polymerization catalysts for producing polymers with low melt elasticity.
  234. Hagerty, Robert O.; Chee, Chia S.; Laird, Randall B.; Risch, Michael A.; Shirodkar, Pradeep P.; Lin, Zerong; Iaccino, Larry L., Polymerization process.
  235. Hagerty, Robert O.; Chee, Chia S.; Laird, Randall B.; Risch, Michael A.; Shirodkar, Pradeep P.; Lin, Zerong; Iaccino, Larry L., Polymerization process.
  236. Hagerty,Robert O.; Chee,Chia S.; Laird,Randall B.; Risch,Michael A.; Shirodkar,Pradeep P.; Lin,Zerong; Iaccino,Larry L., Polymerization process.
  237. Marissal, Daniel; Van Breuseghem, Philip; Walworth, Brent R., Polymerization process.
  238. Hottovy, John D.; Kufeld, Scott E., Polymerization product pressures in olefin polymerization.
  239. Hottovy, John D.; Kufeld, Scott E., Polymerization product pressures in olefin polymerization.
  240. Hottovy, John D.; Kufeld, Scott E., Polymerization product pressures in olefin polymerization.
  241. Hottovy, John D.; Kufeld, Scott E.; Mutchler, Joel A., Polymerization product pressures in olefin polymerization.
  242. McDaniel, Max P.; Benham, Elizabeth A.; Secora, Steven J.; Jensen, Michael D.; Collins, Kathy S., Polymers having broad molecular weight distributions and methods of making the same.
  243. McDaniel,Max P.; Collins,Kathy S.; Benham,Elizabeth A.; DesLauriers,Paul J., Polymers having low levels of long chain branching and methods of making the same.
  244. Greco, Jeff F; Yang, Qing; Rohatgi, Vivek; Hlavinka, Mark L.; Askew, Jim B, Polymers with improved ESCR for blow molding applications.
  245. Rohatgi, Vivek; Greco, Jeffrey F.; Inn, Yongwoo; Yang, Qing; Brown, Jr., Alfred E., Polymers with improved ESCR for blow molding applications.
  246. Rohatgi, Vivek; Greco, Jeffrey F.; Inn, Yongwoo; Yang, Qing; Brown, Jr., Alfred E., Polymers with improved ESCR for blow molding applications.
  247. Rohatgi, Vivek; Inn, Yongwoo; Sukhadia, Ashish M.; Yang, Qing; DesLauriers, Paul J., Polymers with improved processability for pipe applications.
  248. Rohatgi, Vivek; Inn, Yongwoo; Sukhadia, Ashish M.; Yang, Qing; DesLauriers, Paul J., Polymers with improved processability for pipe applications.
  249. Hlavinka, Mark L.; Yang, Qing; Inn, Yongwoo; Whitte, William M.; Rathman, John R.; Secora, Steven J.; Hert, Daniel G., Polymers with improved toughness and ESCR for large-part blow molding applications.
  250. Hlavinka, Mark L.; Yang, Qing; Inn, Yongwoo; Whitte, William M.; Rathman, John R.; Secora, Steven J.; Hert, Daniel G., Polymers with improved toughness and ESCR for large-part blow molding applications.
  251. Hlavinka, Mark L.; Yang, Qing; Inn, Yongwoo; Whitte, William M.; Rathman, John R.; Secora, Steven J.; Hert, Daniel G., Polymers with improved toughness and ESCR for large-part blow molding applications.
  252. Hottovy, John D.; Kufeld, Scott E., Pressure control to reduce pump power fluctuations.
  253. Hottovy, John D.; Kufeld, Scott E., Pressure control to reduce pump power fluctuations.
  254. Kufeld, Scott E.; Kreischer, Bruce E.; Hottovy, John D., Pressure management for slurry polymerization.
  255. Kufeld, Scott E.; Kreischer, Bruce E.; Hottovy, John D., Pressure management for slurry polymerization.
  256. Kufeld, Scott E.; Kreischer, Bruce E.; Hottovy, John D., Pressure management for slurry polymerization.
  257. Kufeld, Scott E.; Kreischer, Bruce E.; Hottovy, John D., Pressure management for slurry polymerization.
  258. Hottovy,John D.; Zellers,Dale A.; Hagenson,Randy L., Process and apparatus for reducing take-off valve plugging in a polymerization process.
  259. Yang, Qing; McDaniel, Max P.; Martin, Joel L.; Crain, Tony R.; Muninger, Randy S.; Lanier, Jerry T.; Fodor, Jeff S.; Deslauriers, Paul J.; Tso, Chung C.; Rohlfing, David C., Process for producing broader molecular weight distribution polymers with a reverse comonomer distribution and low levels of long chain branches.
  260. Yang, Qing; McDaniel, Max P.; Martin, Joel L.; Crain, Tony R.; Muninger, Randy S.; Lanier, Jerry T.; Fodor, Jeff S.; Deslauriers, Paul J.; Tso, Chung C.; Rohlfing, David C., Process for producing broader molecular weight distribution polymers with a reverse comonomer distribution and low levels of long chain branches.
  261. Drew, Jennifer F.; Barry, Christina M., Process for purifying ethylene produced from a methanol-to-olefins facility.
  262. Benham, Elizabeth A.; Nease, Charles R.; McDaniel, Max P., Process of melt index control.
  263. Cymbaluk, Ted H.; McDaniel, Max P.; Yang, Qing; Holtermann, Dennis L., Processes for preparing metallocene-based catalyst systems.
  264. Cymbaluk, Ted H.; McDaniel, Max P.; Yang, Qing; Holtermann, Dennis L.; Crain, Tony R., Processes for preparing metallocene-based catalyst systems.
  265. McDaniel, Max P.; Yang, Qing; Crain, Tony R., Processes for preparing metallocene-based catalyst systems.
  266. Clark, Kensha Marie; Yang, Qing; Glass, Gary L., Processes for preparing metallocene-based catalyst systems in cyclohexene.
  267. Clark, Kensha Marie; Yang, Qing; Glass, Gary L., Processes for preparing metallocene-based catalyst systems in cyclohexene.
  268. Clark, Kensha M.; Yang, Qing; Glass, Gary L., Processes for preparing solid metallocene-based catalyst systems.
  269. Clark, Kensha M.; Yang, Qing; Glass, Gary L., Processes for preparing solid metallocene-based catalyst systems.
  270. Clark, Kensha M.; Yang, Qing; Glass, Gary L., Processes for preparing solid metallocene-based catalyst systems.
  271. Clark, Kensha Marie; Yang, Qing; Glass, Gary L., Production of high haze films using metallocene-based catalyst systems in cyclohexene.
  272. Hottovy, John D.; Franklin, Robert K.; Russell, Donald Paul; Zellers, Penny A., Pumping apparatus and process for polymerization in loop reactors.
  273. Hottovy, John D.; Zellers, Dale A.; Franklin, III, Robert K.; Russell, Donald Paul, Pumping apparatus and process for polymerization in loop reactors.
  274. Hottovy,John D.; Zellers,Dale A.; Franklin,Robert K., Pumping apparatus for slurry polymerization in loop reactors.
  275. McDaniel, Max P.; Kelly, Stephen L., Reinforcement of a chromium/silica catalyst with silicate oligomers.
  276. McDaniel, Max P.; Yang, Qing; Muninger, Randy S.; Benham, Elizabeth A.; Clear, Kathy S., Silica-coated alumina activator-supports for metallocene catalyst compositions.
  277. McDaniel, Max P.; Yang, Qing; Muninger, Randy S.; Benham, Elizabeth A.; Clear, Kathy S., Silica-coated alumina activator-supports for metallocene catalyst compositions.
  278. McDaniel, Max P.; Yang, Qing; Muninger, Randy S.; Benham, Elizabeth A.; Clear, Kathy S., Silica-coated alumina activator-supports for metallocene catalyst compositions.
  279. McDaniel, Max P.; Yang, Qing; Muninger, Randy S.; Benham, Elizabeth A.; Collins, Kathy S., Silica-coated alumina activator-supports for metallocene catalyst compositions.
  280. Lee, Stephen Kevin; Marissal, Daniel; Walworth, Brent R., Slurry phase polymerisation process.
  281. Lee, Stephen Kevin; Marissal, Daniel; Walworth, Brent R., Slurry phase polymerisation process.
  282. Lee, Stephen Kevin; Marissal, Daniel; Walworth, Brent R., Slurry phase polymerisation process.
  283. Lee, Stephen Kevin; Marissal, Daniel; Walworth, Brent R., Slurry phase polymerisation process.
  284. Lee, Stephen Kevin; Marissal, Daniel; Walworth, Brent R., Slurry phase polymerisation process.
  285. Lee, Stephen Kevin; Marissal, Daniel; Walworth, Brent R., Slurry phase polymerisation process.
  286. Lee, Stephen Kevin; Walworth, Brent R.; Marissal, Daniel, Slurry phase polymerisation process.
  287. Lee, Stephen Kevin; Walworth, Brent R.; Marissal, Daniel, Slurry phase polymerisation process.
  288. Lee, Stephen Kevin; Walworth, Brent R.; Marissal, Daniel, Slurry phase polymerisation process.
  289. Lee, Stephen Kevin; Walworth, Brent R.; Marissal, Daniel, Slurry phase polymerisation process.
  290. Kufeld,Scott E.; Reid,Thomas A.; Tait,John H.; Burns,David H.; Verser,Donald W.; Hensley,Harvey D.; Przelomski,David J.; Cymbaluk,Teddy H.; Franklin,Robert K.; Perez,Ethelwoldo P.; Hottovy,John D., Slurry polymerization reactor having large length/diameter ratio.
  291. Buck, Richard M.; Yang, Qing, Stereoselective synthesis of bridged metallocene complexes.
  292. Buck, Richard M.; Yang, Qing, Stereoselective synthesis of bridged metallocene complexes.
  293. Hlavinka, Mark L., Synthesis of aryl coupled bis phenoxides and their use in olefin polymerization catalyst systems with activator-supports.
  294. Hlavinka, Mark L., Synthesis of aryl coupled bis phenoxides and their use in olefin polymerization catalyst systems with activator-supports.
  295. Hottovy, John D.; Peacock, Richard, System and method for closed relief of a polyolefin loop reactor system.
  296. Hottovy, John D.; Peacock, Richard, System and method for closed relief of a polyolefin loop reactor system.
  297. Mills, Andrew J.; Romig, Ralph W.; Loh, Ji Xian X., System and method for processing reactor polymerization effluent.
  298. Mills, Andrew J.; Romig, Ralph W.; Loh, Ji Xian X., System and method for processing reactor polymerization effluent.
  299. Mills, Andrew J.; Romig, Ralph W.; Loh, Ji Xian X., System and method for processing reactor polymerization effluent.
  300. Mills, Andrew J.; Romig, Ralph W.; Loh, Ji Xian X., System and method for processing reactor polymerization effluent.
  301. McDaniel, Max P.; Mutchler, Joel A., Systems and methods for real-time catalyst particle size control in a polymerization reactor.
  302. McDaniel, Max P.; Mutchler, Joel A., Systems and methods for real-time catalyst particle size control in a polymerization reactor.
  303. Hottovy, John D.; Hendrickson, Gregory G., Temperature control for polymerizing particulate polyolefin.
  304. Cruz, Carlos A.; Barr, Jared L.; Praetorius, Jeremy M., Titanium phosphinimide and titanium iminoimidazolidide catalyst systems with activator-supports.
  305. Cruz, Carlos A.; Barr, Jared L.; Praetorius, Jeremy M., Titanium phosphinimide and titanium iminoimidazolidide catalyst systems with activator-supports.
  306. Romig, Ralph W.; McElvain, Robert R.; Page, Steve E., Treater regeneration.
  307. Romig, Ralph W.; McElvain, Robert R.; Page, Steve E., Treater regeneration.
  308. Romig, Ralph W.; Odi, Timothy O.; Drew, Jennifer F., Treater regeneration.
  309. Romig, Ralph W.; Odi, Timothy O.; Drew, Jennifer F., Treater regeneration.
  310. Odi, Timothy O.; Romig, Ralph; Curren, Joseph; Gupta, Anurag, Unified cooling for multiple polyolefin polymerization reactors.
  311. Ding, Errun; Yang, Qing; Masino, Albert P.; Yu, Youlu; Guatney, Lloyd W.; Askew, Jim B., Use of hydrogen and an organozinc compound for polymerization and polymer property control.
  312. Ding, Errun; Yang, Qing; Masino, Albert P.; Yu, Youlu; Guatney, Lloyd W.; Askew, Jim B., Use of hydrogen and an organozinc compound for polymerization and polymer property control.
  313. Murray, Rex E.; Beaulieu, William B.; Yang, Qing; Ding, Errun; Glass, Gary L.; Solenberger, Alan L.; Secora, Steve J., Use of hydrogen scavenging catalysts to control polymer molecular weight and hydrogen levels in a polymerization reactor.
  314. Murray, Rex E.; Beaulieu, William B.; Yang, Qing; Ding, Errun; Glass, Gary L.; Solenberger, Alan L.; Secora, Steven J., Use of hydrogen scavenging catalysts to control polymer molecular weight and hydrogen levels in a polymerization reactor.
  315. Murray, Rex E.; Beaulieu, William B.; Yang, Qing; Ding, Errun; Glass, Gary L.; Solenberger, Alan L.; Secora, Steven J., Use of hydrogen scavenging catalysts to control polymer molecular weight and hydrogen levels in a polymerization reactor.
  316. Schwerdtfeger, Eric D.; Hert, Daniel G.; McDaniel, Max P., Use of turbidimeter for measurement of solid catalyst system component in a reactor feed.
  317. McDaniel, Max P.; Collins, Kathy S.; Yang, Qing; Crain, Tony R., Vapor phase preparation of fluorided solid oxides.
  318. Ding, Errun; Tso, Chung C.; Yu, Youlu; Yang, Qing; Buck, Richard M., Ziegler-Natta—metallocene dual catalyst systems with activator-supports.
  319. Ding, Errun; Tso, Chung C.; Yu, Youlu; Yang, Qing; Buck, Richard M., Ziegler-natta—metallocene dual catalyst systems with activator-supports.
  320. Ding, Errun; Yang, Qing; Guatney, Lloyd W.; Greco, Jeffrey F., Ziegler-natta—metallocene dual catalyst systems with activator-supports.

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