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Polymerization product pressures in olefin polymerization

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • C08F-002/00
  • C08F-210/00
  • B01J-019/00
  • C08F-010/02
출원번호 US-0439332 (2017-02-22)
등록번호 US-9809660 (2017-11-07)
발명자 / 주소
  • Hottovy, John D.
  • Kufeld, Scott E.
  • Mutchler, Joel A.
출원인 / 주소
  • Chevron Phillips Chemical Company, LP
대리인 / 주소
    Conley Rose, P.C.
인용정보 피인용 횟수 : 0  인용 특허 : 47

초록

A process for making a low density polymer in a polymerization reactor system, the process comprising polymerizing an olefin monomer, and optionally an olefin comonomer, in the presence of a diluent in a polymerization reactor to make a polymerization product slurry consisting of a liquid phase and

대표청구항

1. A process for pressure management of a polymerization product comprising a liquid phase and a solid phase, the process comprising: reducing, at a location downstream of a polymerization reactor and upstream of a flashline heater, a pressure of the polymerization product to less than a bubble poin

이 특허에 인용된 특허 (47)

  1. Jensen, Michael D.; Hawley, Gil R.; McDaniel, Max P.; Crain, Tony; Benham, Elizabeth A.; Martin, Joel L.; Yang, Qing, Acidic activator-supports and catalysts for olefin polymerization.
  2. Hottovy John D. (Bartlesville OK) Lawrence Frederick C. (Bartlesville OK) Lowe Barry W. (Bartlesville OK) Fangmeier James S. (Bartlesville OK), Apparatus and method for producing ethylene polymer.
  3. Burns David H. (Bartlesville OK) Martin William E. (Bartlesville OK), Apparatus for controlling removal of polymerization reaction effluent.
  4. Kiss, Gabor; Reynolds, Jr., Robert Patrick; Chu, John W.; Rucker, Steven P.; Lattner, James Richardson, Bulk homogeneous polymerization process for ethylene propylene copolymers.
  5. Hottovy, John D.; Mutchler, Joel A., Compressible liquid diluent in polyolefin polymerization.
  6. Kendrick, James Austin; Towles, Thomas W.; Roger, Scott Thomas, Continuous slurry polymerization process and appparatus.
  7. Verser, Donald W.; Burns, David H.; Hein, James E.; Rajaendran, George K.; Hottovy, John D., Continuous withdrawal from high solids slurry polymerization.
  8. Bovee Loren L. (Marshalltown IA) Weber Larry J. (Marshalltown IA), Control element for a ball valve.
  9. Pullukat Thomas J. (Hoffman Estates IL) Lynch Michael W. (Flourtown PA) Shida Mitsuzo (Barrington IL), Copolymerization of ethylene.
  10. Sherk Fred T. (Bartlesville OK) Inkrott Janet L. (Bartlesville OK), Diluent and inert gas recovery from a polymerization process.
  11. Hottovy John D. ; Burns David H. ; Kufeld Scott E. ; Roetman Timothy ; Vaidyanathan Ragavan, Diluent slip stream to give catalyst wetting agent.
  12. Kufeld, Scott E.; Burns, David H.; Vaidyanathan, Ragavan, Direct recycle fractionation method using a swing column.
  13. Yang, Qing; Jayaratne, Kumudini C.; Jensen, Michael D.; McDaniel, Max P.; Martin, Joel L.; Thorn, Matthew G.; Lanier, Jerry T.; Crain, Tony R., Dual metallocene catalysts for polymerization of bimodal polymers.
  14. Yang, Qing; Jayaratne, Kumudini C.; Jensen, Michael D.; McDaniel, Max P.; Martin, Joel L.; Thorn, Matthew G.; Lanier, Jerry T.; Crain, Tony R., Dual metallocene catalysts for polymerization of bimodal polymers.
  15. Hottovy, John D.; Kufeld, Scott E., Flashline heater system and method.
  16. Hottovy John D. ; Hensley Harvey D. ; Przelomski David J. ; Cymbaluk Teddy H. ; Franklin ; III Robert K. ; Perez Ethelwoldo P., High solids slurry polymerization.
  17. Kiss, Gabor; Galuska, Alan Anthony; Reynolds, Jr., Robert Patrick; Chu, John W.; Chapman, Bryan R.; Brant, Patrick; Datta, Sudhin, In-line process for producing plasticized polymers and plasticized polymer blends.
  18. Baann, Hege Vale; Lindahl, Ann Kristin, Injection molding polymer.
  19. Odi, Timothy O., Method and apparatus for managing volatile organic content in polyolefin.
  20. Burns David H. (Houston TX) Martin William E. (Houston TX), Method for controlling removal of polymerization reaction effluent.
  21. Jenkins ; III John M. (So. Charleston WV) Jones Russell L. (Chapel Hill NC) Jones Thomas M. (So. Charleston WV) Beret Samil (Danville CA), Method for fluidized bed polymerization.
  22. Ahvenainen Antero (Porvoo FIX) Sarantila Kari (Porvoo FIX) Andtsj Henrik (Porvoo FIX), Method for homo- or copolymerizing ethene.
  23. Fouarge, Louis; Duchesne, Eric, Method for transforming a single reactor line.
  24. Sherk Fred T. (Bartlesville OK) Hanson Donald O. (Bartlesville OK), Monomer and diluent recovery.
  25. Gupta, Anurag; Odi, Timothy O.; Romig, Ralph W., Monomer/diluent recovery.
  26. Gupta, Anurag; Odi, Timothy O.; Romig, Ralph W., Monomer/diluent recovery.
  27. Marrow,David Geoffrey; Englehorn,Blu Eric; Yahn,David A., On-line analysis of polymer properties for control of a solution phase reaction system.
  28. Gessner, Mark A.; Promel, Michel, Operation of multi-reactor polyolefin manufacturing process.
  29. McDaniel,Max P.; Benham,Elizabeth A.; Jensen,Michael D.; Collins,Kathy S.; Martin,Joel L.; Hawley,Gil R., Organochromium/metallocene combination catalysts for producing bimodal resins.
  30. Marissal, Daniel; Walworth, Brent R, Polymer stream transfer.
  31. McElvain, Robert R.; Hottovy, John D.; Garner, Bryan M.; Hendrickson, Gregory G.; Tait, John H., Polymer transfer within a polymerization system.
  32. Walworth, Brent, Polymerisation process.
  33. Norwood Donald D. (Bartlesville OK) Watts Jackie C. (Bartlesville OK), Polymerization catalyst and process.
  34. Hottovy, John D.; Kufeld, Scott E., Polymerization product pressures in olefin polymerization.
  35. Hottovy, John D.; Kufeld, Scott E., Polymerization product pressures in olefin polymerization.
  36. Hottovy, John D.; Kufeld, Scott E., Polymerization product pressures in olefin polymerization.
  37. Rosch Joachim,DEX ; Bidell Wolfgang,DEX ; Langhauser Franz,DEX, Preparation of polymers of C.sub.2 -C.sub.12 -alkenes with the addition of a reaction retarder.
  38. Kufeld, Scott E.; Kreischer, Bruce E.; Hottovy, John D., Pressure management for slurry polymerization.
  39. Kufeld, Scott E.; Kreischer, Bruce E.; Hottovy, John D., Pressure management for slurry polymerization.
  40. Kufeld, Scott E.; Kreischer, Bruce E.; Hottovy, John D., Pressure management for slurry polymerization.
  41. Kufeld, Scott E.; Kreischer, Bruce E.; Hottovy, John D., Pressure management for slurry polymerization.
  42. Kreischer Bruce E. ; Verser Donald W. ; Hein James E., Process and apparatus for recovering diluent, monomer, and comonomer from a polymerization reactor effluent.
  43. Hanson Donald O. (Bartlesville OK), Process and apparatus for separating diluents from solid polymers utilizing a two-stage flash and a cyclone separator.
  44. DeChellis Marc L. (Houston TX) Griffin John R. (Baytown TX), Process for polymerizing monomers in fluidized beds.
  45. Griffin John R. (Baytown TX) DeChellis Marc L. (Houston TX), Process for polymerizing monomers in fluidized beds.
  46. Canich, Jo Ann M.; Jiang, Peijun; Casty, Gary L.; Kiss, Gabor; Voskoboynikov, Alexander Z., Production of propylene-based polymers.
  47. Hottovy,John D.; Zellers,Dale A.; Franklin,Robert K., Pumping apparatus for slurry polymerization in loop reactors.
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