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Method for homo- or copolymerizing ethene 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • C08F-002/06
출원번호 US-0066004 (1993-05-25)
우선권정보 FI-0006427 (1990-12-28)
국제출원번호 PCT/FI91/00397 (1991-12-18)
§371/§102 date 1993May2 (1993May2)
국제공개번호 WO-9212181 (1992-07-23)
발명자 / 주소
  • Ahvenainen Antero (Porvoo FIX) Sarantila Kari (Porvoo FIX) Andtsj Henrik (Porvoo FIX)
출원인 / 주소
  • Neste OY (FIX 03)
인용정보 피인용 횟수 : 53  인용 특허 : 0

초록 ▼

The invention relates to a method for homo- or copolymerizing ethene in the presence of a Ziegler-Natta or other catalyst and a possible comonomer and hydrogen for preparing a homo- or copolymer of ethene in particle form in propane. In accordance with the invention, the polymerization is performed

대표청구항 ▼

Method of polymerizing ethylene in particle form, which comprises polymerizing ethylene in a reaction mixture of ethylene, and ethylene polymerizing catalyst, optional hydrogen and optional comonomer in propane in a loop reactor under supercritical conditions of temperature and pressure, the tempera

이 특허를 인용한 특허 (53)

  1. Thanh Nguyen ; Wes Parker ; Don Austin Duggar ; Aron Griffith, Apparatus and method for pressurizing a propylene polymerization reactor.
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  2. Dou, Qizheng; Albunia, Alexandra Romina; Liu, Yi, Blend of bimodal polyethylene with unimodal ultra high molecular weight polyethylene with improved mechanical properties.
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  3. Junqvist, Jonas; Eklind, Hans; Sultan, Bernt-Ake; Nord-Varhaug, Katrin; Walter, Philipp, Cable and polymer composition comprising a multimodal ethylene copolymer.
    상세보기
  4. Anker, Martin; Fredriksen, Siw Bodil; Bentzrod, Pal Christian; Backman, Mats; Leiden, Leif; Vahteri, Markku; Rekonen, Petri, Coated pipe with high throughput using multimodal ethylene copolymer.
    상세보기
  5. Hottovy, John D.; Mutchler, Joel A., Compressible liquid diluent in polyolefin polymerization.
    상세보기
  6. Hottovy, John D.; Mutchler, Joel A., Compressible liquid diluent in polyolefin polymerization.
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  7. Hottovy, John D., Continuous take off technique and pressure control of polymerization reactors.
    상세보기
  8. Hottovy, John D., Continuous take off technique and pressure control of polymerization reactors.
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  9. Hjertberg, Thomas; Albunia, Alexandra Romina; Liu, Yi; Dou, Qizheng, Disentangled high or ultrahigh molecular weight polyethylene prepared with Ziegler-Natta catalyst.
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  10. Kufeld, Scott E; Hottovy, John D, Flow in a slurry loop reactor.
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  11. Keller George Ernest ; Carmichael Keith Ernest ; Cropley Jean Bowman ; Larsen Eldon Ronald ; Ramamurthy Arakalud Venkatapathia ; Smale Mark Wilton ; Wenzel Timothy Todd ; Williams Clark Curtis, Gas phase polymerization employing unsupported catalysts.
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  12. Kanellopoulos, Vasileios; Krallis, Apostolos; Al-Haj Ali, Mohammad; Tupe, Ravindra, Gas phase polymerization process.
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  13. Kiss, Gabor; Galuska, Alan Anthony, In-line process to produce pellet-stable polyolefins.
    상세보기
  14. Garroff, Thomas; Waldvogel, Paivi; Kalle, Kallio; Eriksson, Virginie; Aittola, Aki; Kokko, Esa, Linear low density polyethylene with uniform or reversed comonomer composition distribution.
    상세보기
  15. Nguyen Thanh ; Parker Wes ; Duggar Don Austin ; Griffith Aron, Method for pressurizing a propylene polymerization reactor.
    상세보기
  16. Senol, Ilke; Eriksson, Erik; Alastalo, Kauno; Leskinen, Pauli; Nyfors, Klaus, Method of polymerizing olefins in slurry reactors.
    상세보기
  17. Ek, Carl-Gustav; Pakkanen, Anneli; Dix, Albrecht; Steffl, Thomas; Buryak, Andrey, Method of producing a cable comprising a multimodal ethylene copolymer.
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  18. Garoff, Thomas; Waldvogel, Paivi; Kallio, Kalle; Eriksson, Virginie; Aittola, Aki; Kokko, Esa, Multi-stage process for producing multi-modal linear low density polyethylene.
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  19. Alastalo, Kauno; Leskinen, Pauli; Hedesiu, Cristian; Lilja, Johanna, Multistage process for producing low-temperature resistant polypropylene compositions.
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  20. Hjertberg, Thomas; Tupe, Ravindra; Wahner, Udo; Piel, Tanja; Liu, Yi; Albunia, Alexandra Romina; Prades, Floran; Thorman, Joseph; Jeremic, Dusan, Multistage process for producing polyethylene compositions.
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  21. Liu, Yi; Jamieson, John; Tupe, Ravindra; Kela, Jarmo, Multistage process for producing polyethylene compositions.
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  22. Tupe, Ravindra; Aho, Jani; Vahteri, Markku; Noopila, Tuomas; Kela, Jarmo, Multistage process for producing polyethylene compositions.
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  23. Friedersdorf, Chris B.; Brant, Patrick; Kiss, Gabor, Phase separator and monomer recycle for supercritical polymerization process.
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  24. Buryak, Andrey; Stubenrauch, Kurt, Polyethylene composition for pipe and pipe coating applications.
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  25. Wang, Cindy Xin; Piel, Tanja; Tynys, Antti, Polyethylene composition suitable for injection moulding applications.
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  26. Hedesiu, Cristian; Tynys, Antti, Polyethylene composition with high flexibility and high temperature resistance suitable for pipe applications.
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  27. Motha, Kshama; Nilsson, Anette; Nikhade, Prashant; Dasgupta, Chanchal; Asting, Johan, Polymer composition comprising a blend of a multimodal polyethylene and a further ethylene polymer suitable for the production of a drip irrigation pipe.
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  28. Nilsson, Ulf; Hagstrand, Per-Ola; Englund, Villgot; Farkas, Andreas; Ritums, Janis, Polymer composition for W and C application with advantageous electrical properties.
    상세보기
  29. Ek, Carl-Gustaf; Palmlöf, Magnus; Prades, Floran, Polymer composition for crosslinked articles.
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  30. Brant,Patrick; Luft,Gerhard Franz; Shutt,John Richard; Smith,Lawrence Carl; McLain,Douglas J.; Burkhardt,Terry J., Polymer production at supercritical conditions.
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  31. Brant,Patrick; Rix,Francis Charles; Kiss,Gabor; Reynolds,Robert P., Polymer production at supercritical conditions.
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  32. Brant, Patrick; Gabor, Kiss; Friedersdorf, Chris B.; Lattner, James R.; Casty, Gary L., Polymer production at supersolution conditions.
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  33. Hottovy, John D.; Kufeld, Scott E., Polymerization product pressures in olefin polymerization.
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  34. Hottovy, John D.; Kufeld, Scott E.; Mutchler, Joel A., Polymerization product pressures in olefin polymerization.
    상세보기
  35. Hedesiu, Cristian; Alastalo, Kauno, Polypropylene composition with improved impact resistance for pipe applications.
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  36. Kiss, Gabor; Brant, Patrick; Reynolds, Jr., Robert Patrick; Mehta, Aspy K.; Varma-Nair, Manika; Chu, John W.; Rucker, Steven P., Polypropylene ethylene-propylene copolymer blends and in-line process to produce them.
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  37. Kufeld, Scott E.; Kreischer, Bruce E.; Hottovy, John D., Pressure management for slurry polymerization.
    상세보기
  38. Backman, Mats; Anker, Martin; Fredriksen, Siw Bodil; Leiden, Leif; Vahteri, Markku; Rekonen, Petri, Process for coating a pipe with high throughput using multimodal ethylene copolymer, and coated pipes obtained thereof.
    상세보기
  39. Kiss, Gabor; Brant, Patrick; Reynolds, Jr., Robert Patrick; Portnoy, Robert Charles; Dunaway, David B., Process for fluid phase in-line blending of polymers.
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  40. Andtsjo Henrik,FIX ; Pentti Ismo,FIX ; Harlin Ali,FIX, Process for making propylene homo or copolymers.
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  41. Andtsjo, Henrik; Pentti, Ismo; Harlin, Ali, Process for making propylene homo or copolymers.
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  42. Hokkanen Harri,FIX ; Salminen Hannu,FIX ; Kallio Kalle,FIX ; Knuuttila Hilkka,FIX ; Palmroos Ari,FIX, Process for manufacturing LLDPE polymers.
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  43. Aumo, Jeannette; Matikainen, Pasi; Bartke, Michael; Elovirta, Tom; Vijay, Sameer; Lylykangas, Mikko; Elo, Pertti; Huhtanen, Lauri, Process for olefin polymerization.
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  44. Al-Haj Ali, Mohammad; Krallis, Apostolos; Kanellopoulos, Vasileios, Process for polymerizing olefins in a fluidized bed.
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  45. Jayaratne, Kumudini; Leinonen, Timo; Denifl, Peter, Process for producing a Ziegler Natta procatalyst for ethylene polymerisation.
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  46. Marechal,Philippe, Process for producing bimodal polyethylene resins.
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  47. Alastalo, Kauno; Lilja, Johanna; Leskinen, Pauli, Process for producing copolymers of propylene.
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  48. Hedesiu, Cristian; Alastalo, Kauno, Propylene random copolymer composition for pipe applications.
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  49. Brant, Patrick; Casty, Gary L.; Kiss, Gabor; Cook, Raymond A.; Lattner, James R., Super-solution homogeneous propylene polymerization.
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  50. Mehta, Aspy K.; Varma-Nair, Manika; Kiss, Gabor; Reynolds, Robert P.; Chu, John W.; Rucker, Steven P., Super-solution homogeneous propylene polymerization and polypropylenes made therefrom.
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  51. Arjunan,Palanisamy; Zhang,Simon X.; Cozewith,Charles, Supercritical polymerization process and polymers produced therefrom.
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  52. Saeed, Irfan; Kokko, Esa; Waldvogel, Paivi; Mustonen, Marja; Garoff, Thomas, Supported donor modified ziegler-natta catalysts.
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  53. Vestberg, Torvald; Alastalo, Kauno, Two-stage process for producing polypropylene compositions.
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