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Metallocene catalysts and their production and use 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • C08F-004/64
출원번호 US-0190718 (1994-02-01)
발명자 / 주소
  • Jejelowo Moses O. (Kingwood TX)
출원인 / 주소
  • Exxon Chemical Patents Inc. (Linden NJ 02)
인용정보 피인용 횟수 : 55  인용 특허 : 0

초록

An improved catalyst system and process of producing polyolefins having a controllable broadened molecular weight distribution utilizing transition metal metallocene catalyst systems, wherein at least one of the metallocenes has at least one cyclopentadienyl ring being substituted by at least one op

대표청구항

A process for producing ethylene polymers having a broad molecular weight distribution and a unimodal molecular weight distribution, said process comprising the steps of: (a) polymerizing ethylene monomer, optionally with comonomer, in the presence of a catalyst system comprising: (i) a first compon

이 특허를 인용한 특허 (55)

  1. Eaton, Gerald B.; Monahan, Michael J.; Ebert, Alan K., Alpha olefin monomer partitioning agents for drag reducing agents and methods of forming drag reducing agents using alpha olefin monomer partitioning agents.
  2. Kissin, Yury V.; Mink, Robert I.; Nowlin, Thomas E.; Shirodkar, Pradeep P.; Schregenberger, Sandra D.; Tsien, Grace O., Bimetallic catalyst for ethylene polymerization reactions with uniform component distribution.
  3. Yury V. Kissin ; Robert I. Mink ; Thomas E. Nowlin ; Pradeep P. Shirodkar ; Sandra D. Schregenberger ; Grace O. Tsien, Bimetallic catalyst for ethylene polymerization reactions with uniform component distribution.
  4. Eaton, Gerald B.; Trainor, Patrick, Bulk polymerization reactor methods.
  5. Lo Frederick Yip-Kwai ; Mink Robert I. ; Nowlin Thomas Edward ; Schregenberger Sandra Denise ; Shirodkar Pradeep Pandurang, Catalyst for the manufacture of polyethylene with a broad or bimodal molecular weight distribution.
  6. Hsieh John T. T. ; Schregenberger Sandra D., Comonomer pretreated bimetallic catalyst for blow molding and film applications.
  7. Eaton Gerald B. ; Monahan Michael J., Composition of and process for forming polyalphaolefin drag reducing agents.
  8. Shawver Susan Elaine, Controlled hysteresis nonwoven laminates.
  9. Eaton,Gerald B.; Ebert,Alan K., Drag reducing agent slurries having alfol alcohols and processes for forming drag reducing agent slurries having alfol alcohols.
  10. Masino, Albert P.; Murray, Rex E.; Yang, Qing; Secora, Steve J.; Jayaratne, Kumudini C.; Beaulieu, William B.; Ding, Errun; Glass, Gary L.; Solenberger, Alan L.; Cymbaluk, Ted H., Dual metallocene catalyst systems for decreasing melt index and increasing polymer production rates.
  11. Masino, Albert P.; Murray, Rex E.; Yang, Qing; Secora, Steve J.; Jayaratne, Kumudini C.; Beaulieu, William B.; Ding, Errun; Glass, Gary L.; Solenberger, Alan L.; Cymbaluk, Ted H., Dual metallocene catalyst systems for decreasing melt index and increasing polymer production rates.
  12. Masino, Albert P.; Murray, Rex E.; Yang, Qing; Secora, Steve J.; Jayaratne, Kumudini C.; Beaulieu, William B.; Ding, Errun; Glass, Gary L.; Solenberger, Alan L.; Cymbaluk, Ted H., Dual metallocene catalyst systems for decreasing melt index and increasing polymer production rates.
  13. Masino, Albert P.; Murray, Rex E.; Yang, Qing; Secora, Steve J.; Jayaratne, Kumudini C.; Beaulieu, William B.; Ding, Errun; Glass, Gary L.; Solenberger, Alan L.; Cymbaluk, Ted H., Dual metallocene catalyst systems for decreasing melt index and increasing polymer production rates.
  14. Jensen, Michael D.; Martin, Joel L.; McDaniel, Max P.; Yang, Qing; Thorn, Matthew G.; Benham, Elizabeth A.; Cymbaluk, Ted H.; Sukhadia, Ashish M.; Krishnaswamy, Rajendra K.; Kertok, Mark E., Ethylene homopolymers or copolymers having good machine direction (MD) elmendorf tear strength.
  15. Sukhadia,Ashish M.; Stark,Jerry D.; McDaniel,Max P.; Benham,Elizabeth A.; Jensen,Michael D.; Martin,Joel L.; Krishnaswamy,Rajendra K., Ethylene polymers and copolymers with high optical opacity.
  16. Walther, Brian W.; Clayfield, Timothy E.; Hypolite, Curvel, Ethylene-based polymer compositions with improved viscosities.
  17. Nowlin,Thomas Edward; Shirodkar,Pradeep P.; Mink,Robert Ivan; Diamond,Gary M.; Paul,Jill Helaine; Kale,Lawrence T.; Dackson,Keith, Ethylene/α-olefin copolymer made with a non-single-site/single-site catalyst combination, its preparation and use.
  18. Harada, Katsuyoshi; Endo, Koji; Mizukawa, Tomoaki; Matsuura, Sadahiko, Ethylene/α-olefin copolymers and lubricating oils.
  19. Rajagopalan, Murali; Harris, Kevin M., Golf balls incorporating polyamide polymers.
  20. Szul,John F.; Farley,James McLeod; McCullough,Laughlin G.; Impelman,Ryan Winston, High tear films from hafnocene catalyzed polyethylenes.
  21. Szul,John F.; Farley,James McLeod; McCullough,Laughlin G.; Impelman,Ryan Winston, High tear films from hafnocene catalyzed polyethylenes.
  22. Vaughan,George Alan; McCullough,Laughlin G., Low comonomer incorporating metallocene catalyst compounds.
  23. Paczkowski,Nicola S.; Winter,Andreas; Langhauser,Franz, Metallocene catalysts, their synthesis and their use for the polymerization of olefins.
  24. Hudson Robert Leslie ; DeLucia Mary Lucille, Method of improving the photostability of polypropylene compositions.
  25. Eaton, Gerald B.; Monahan, Michael J.; Tipton, Robert J., Methods for forming amorphous ultra-high molecular weight polyolefins and drag reducing compositions comprising amorphous ultra-high molecular weight polyolefins.
  26. Eaton, Gerald B.; Monahan, Michael J.; Ebert, Alan K.; Tipton, Robert J.; Baralt, Eduardo, Methods for forming amorphous ultra-high molecular weight polyolefins for use as drag reducing agents.
  27. Mawson Simon ; Goode Mark G., Mixed catalyst system.
  28. Nemzek Thomas Lloyd ; Karol Frederick John ; Kao Sun-Chueh ; Brady ; III Robert Converse, Mixed catalyst system.
  29. Lue Ching-Tai ; Crowther Donna J., Mixed catalysts and their use in a polymerization process.
  30. Vaughan, George Alan; Szul, John F.; McKee, Matthew Gary; Farley, James McLeod; Lue, Ching-Tai; Kao, Sun-Chueh, Mixed metallocene catalyst systems containing a poor comonomer incorporator and a good comonomer incorporator.
  31. Vaughan,George Alan; Szul,John F.; McKee,Matthew Gary; Farley,James McLeod; Lue,Ching Tai; Kao,Sun Chueh, Mixed metallocene catalyst systems containing a poor comonomer incorporator and a good comonomer incorporator.
  32. Jo Ann Marie Canich ; George Alan Vaughan ; Phillip T. Matsunaga ; David Edward Gindelberger ; Timothy Daniel Shaffer ; Kevin Richard Squire, Mixed transition metal catalyst systems for olefin polymerization.
  33. Floyd, Joseph C.; Jejelowo, Moses Olukayode; Crowther, Donna Jean; Vaughan, George Alan; Lue, Ching Tai, Olefin polymerization process with alkyl-substituted metallocenes.
  34. Floyd, Joseph C.; Jejelowo, Moses Olukayode; Crowther, Donna Jean; Vaughan, George Alan; Lue, Ching Tai, Olefin polymerization process with alkyl-substituted metallocenes.
  35. Floyd, Joseph C.; Jejelowo, Moses Olukayode; Crowther, Donna Jean; Vaughan, George Alan; Lue, Ching Tai, Olefin polymerization process with alkyl-substituted metallocenes.
  36. Joseph C. Floyd ; Moses Olukayode Jejelowo ; Donna Jean Crowther ; George Alan Vaughan ; Ching Tai Lue, Olefin polymerization process with alkyl-substituted metallocenes.
  37. Muhle Michael Elroy ; Renola Gary Thomas ; Agapiou Agapios Kyriacos ; Litteer Dwayne Lee ; Griffin John Robert, Olefin polymerization process with little or no scavenger present.
  38. Mink, Robert I.; Kissin, Yury V.; Nowlin, Thomas E.; Shirodkar, Pradeep P.; Tsien, Grace O.; Schregenberger, Sandra D., One pot preparation of bimetallic catalysts for ethylene 1-olefin copolymerization.
  39. Mink, Robert I.; Kissin, Yury V.; Nowlin, Thomas E.; Shirodkar, Pradeep P.; Tsien, Grace O.; Schregenberger, Sandra D., One pot preparation of bimetallic catalysts for ethylene 1-olefin copolymerization.
  40. Robert I. Mink ; Yury V. Kissin ; Thomas E. Nowlin ; Pradeep P. Shirodkar ; Grace O. Tsien ; Sandra D. Schregenberger, One pot preparation of bimetallic catalysts for ethylene 1-olefin copolymerization.
  41. Farley, James McLeod; Szul, John F.; McKee, Matthew Gary, Polyethylene films with improved physical properties.
  42. Farley, James McLeod; Szul, John F.; McKee, Matthew Gary, Polyethylene films with improved physical properties.
  43. Bamberger, Robert Lee; Jejelowo, Moses Olukayode, Polymerization catalysts, their production and use.
  44. Brant Patrick ; Griffin John R. ; Muhle Michael Elroy ; Litteer Dwayne Lee ; Agapiou Agapios Kyriacos ; Renola Gary Thomas, Polymerization process.
  45. Kissin Yuri V. ; Mink Robert I. ; Nowlin Thomas Edward, Preparation of supported catalyst using trialkylaluminum-metallocene contact products.
  46. Laughner, Michael K.; Mangold, Debra J.; Parikh, Deepak R., Process for preparing in a single reactor polymer blends having a broad molecular weight distribution.
  47. Michael K. Laughner ; Debra J. Mangold ; Deepak R. Parikh, Process for preparing in a single reactor polymer blends having a broad molecular weight distribution.
  48. Shih, Keng-Yu, Process for preparing supported transition metal catalyst systems and catalyst systems prepared thereby.
  49. Kallio, Kalle; Palmovist, Ulf; Knuuttila, Hilkka; Fatnes, Anne Marie, Rotational moulding process of ethylene polymers or copolymers having a controlled particle size and morphology.
  50. Mink Robert I. ; Nowlin Thomas E. ; Schregenberger Sandra D. ; Shirodkar Pradeep P. ; Tsien Grace O., Single reactor bimodal HMW-HDPE film resin with improved bubble stability.
  51. Shih, Keng-Yu, Supported dual transition metal catalyst systems.
  52. Kallio Kalle,FIX ; Andell Ove,FIX ; Knuuttila Hilkka,FIX ; Palmqvist Ulf,FIX, Supported olefin polymerization catalyst, its preparation and use.
  53. 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.
  54. 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.
  55. 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.
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