PL232874A1 - - Google Patents

Info

Publication number
PL232874A1
PL232874A1 PL23287481A PL23287481A PL232874A1 PL 232874 A1 PL232874 A1 PL 232874A1 PL 23287481 A PL23287481 A PL 23287481A PL 23287481 A PL23287481 A PL 23287481A PL 232874 A1 PL232874 A1 PL 232874A1
Authority
PL
Poland
Application number
PL23287481A
Original Assignee
Union Carbide Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=22672552&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=PL232874(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Union Carbide Corp filed Critical Union Carbide Corp
Publication of PL232874A1 publication Critical patent/PL232874A1/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F2/00—Processes of polymerisation
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F6/00—Post-polymerisation treatments
    • C08F6/001—Removal of residual monomers by physical means
    • C08F6/005—Removal of residual monomers by physical means from solid polymers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
PL23287481A 1980-09-02 1981-09-01 PL232874A1 (https=)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/183,375 US4372758A (en) 1980-09-02 1980-09-02 Degassing process for removing unpolymerized monomers from olefin polymers

Publications (1)

Publication Number Publication Date
PL232874A1 true PL232874A1 (https=) 1982-08-02

Family

ID=22672552

Family Applications (1)

Application Number Title Priority Date Filing Date
PL23287481A PL232874A1 (https=) 1980-09-02 1981-09-01

Country Status (19)

Country Link
US (1) US4372758A (https=)
EP (1) EP0047077B1 (https=)
JP (1) JPS5776006A (https=)
KR (1) KR830006335A (https=)
AR (1) AR226742A1 (https=)
AU (1) AU545086B2 (https=)
BR (1) BR8105547A (https=)
CA (1) CA1171591A (https=)
DD (1) DD201909A5 (https=)
DE (1) DE3173767D1 (https=)
DK (1) DK386981A (https=)
FI (1) FI812638L (https=)
GR (1) GR74665B (https=)
IL (1) IL63601A0 (https=)
MA (1) MA19261A1 (https=)
MX (1) MX158455A (https=)
NO (1) NO812917L (https=)
PL (1) PL232874A1 (https=)
ZA (1) ZA815286B (https=)

Families Citing this family (129)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3425125A1 (de) * 1984-07-07 1986-01-16 Bayer Ag, 5090 Leverkusen Verfahren zum entfernen von unerwuenschten restbestandteilen, insbesondere niedermolekularen komponenten, aus festen polymeren
AU576409B2 (en) * 1984-12-31 1988-08-25 Mobil Oil Corporation Fluidized bed olefin polymerization process
US4666998A (en) * 1984-12-31 1987-05-19 Mobil Oil Corporation Closed loop recycle of vent gas in polymerization process
US4710538A (en) * 1986-03-10 1987-12-01 Union Carbide Corporation Process for the production of a sticky polymer
FR2598350B1 (fr) * 1986-05-06 1989-11-17 Bp Chimie Sa Procede et dispositif pour degazer et pour transformer en granules des particules de polyolefines obtenues par polymerisation en phase gazeuse
US4727122A (en) * 1986-09-04 1988-02-23 Mobil Oil Corporation Recovery of unreacted monomers in olefin polymerization process
US4731438A (en) * 1986-12-30 1988-03-15 Union Carbide Corporation Water treatment method for resin in a purge vessel
US4758654A (en) * 1987-04-28 1988-07-19 Union Carbide Corporation Method for treating resin in a purge vessel
ES2025725T3 (es) * 1988-04-29 1992-04-01 Union Carbide Corporation Metodo para tratar una resina en un recipiente purgador.
DE3815487A1 (de) * 1988-05-06 1989-11-16 Basf Ag Verfahren zur niederdruckcopolymerisation von ethylen mit (alpha)-olefinen und ethylencopolymerisate mit niederem restmonomerengehalt
US4958006A (en) * 1988-06-28 1990-09-18 Union Carbide Chemicals And Plastics Inc. Fluidized bed product discharge process
JP2565753B2 (ja) * 1988-09-19 1996-12-18 住友化学工業株式会社 ポリプロピレン成形品
DE3840293A1 (de) * 1988-11-30 1990-05-31 Werner & Pfleiderer Verfahren zum entfernen von verunreinigungen aus polymeren kunststoffen und vorrichtung zur durchfuehrung des verfahrens
US4910295A (en) * 1989-04-28 1990-03-20 Union Carbide Chemicals And Plastics Company Inc. Process for reducing the odor of ethylidene norbornene present in EPDM resin
KR920021591A (ko) * 1991-05-17 1992-12-18 티모시 엔. 비숍 올리핀 중합체로부터 중합되지 않은 단량체를 제거하기 위한 가스 제거 방법
US5191062A (en) * 1991-09-27 1993-03-02 Union Carbide Chemicals & Plastics Technology Corporation Steam purging of granular epdm resins
US5276135A (en) * 1992-03-20 1994-01-04 E. I. Du Pont De Nemours And Company Stabilized copolymers of ethylene with ethylenically unsaturated carboxylic acids
US5322927A (en) * 1992-09-02 1994-06-21 The Boc Group, Inc. Method for producing polymers
KR0169505B1 (ko) * 1992-09-11 1999-01-15 오오쓰끼 아끼히꼬 약제 포장용 폴리올레핀 포장재, 그의 제조방법 및 약제 포장용 용기
US5292863A (en) * 1992-11-02 1994-03-08 Union Carbide Chemicals Process for removing unpolymerized gaseous monomers from olefin polymers
US5376742A (en) * 1993-09-23 1994-12-27 Quantum Chemical Corporation Monomer recovery in gas phase fluid bed olefin polymerization
US5391656A (en) * 1993-09-24 1995-02-21 Union Carbide Chemicals & Plastics Technology Corporation Recovery of unreacted monomers in an olefin polymerization process
FR2719847B1 (fr) * 1994-05-16 1996-08-09 Bp Chemicals Snc Procédé de polymérisation d'oléfine en phase gazeuse.
US5478922A (en) * 1994-07-08 1995-12-26 Union Carbide Chemicals & Plastics Technology Corporation Process for post reactor purging of residual monomers from solid polymer resins
US5521264A (en) * 1995-03-03 1996-05-28 Advanced Extraction Technologies, Inc. Gas phase olefin polymerization process with recovery of monomers from reactor vent gas by absorption
US5681908A (en) * 1995-03-03 1997-10-28 Advanced Extraction Technologies, Inc. Absorption process for rejection of reactor byproducts and recovery of monomers from waste gas streams in olefin polymerization processes
US5799412A (en) * 1996-04-11 1998-09-01 Mitsui Petrochemical Industries, Ltd. Drying solid polymer apparatus
US5861474A (en) * 1996-07-23 1999-01-19 The Dow Chemical Company Polymer devolatilization
US6239235B1 (en) 1997-07-15 2001-05-29 Phillips Petroleum Company High solids slurry polymerization
US6281300B1 (en) * 1998-03-20 2001-08-28 Exxon Chemical Patents, Inc. Continuous slurry polymerization volatile removal
US7268194B2 (en) * 1998-03-20 2007-09-11 Exxonmobil Chemical Patents Inc. Continuous slurry polymerization process and apparatus
KR100531628B1 (ko) * 1998-03-20 2005-11-29 엑손모빌 케미칼 패턴츠 인코포레이티드 연속적인 슬러리 중합반응의 휘발물질 제거
US20020111441A1 (en) 1998-03-20 2002-08-15 Kendrick James Austin Continuous slurry polymerization volatile removal
BR9908487B1 (pt) 1998-03-20 2011-04-19 aparelho para remoção de voláteis em polimerização contìnua em pasta fluida e processo para produção de polìmero.
US6028166A (en) * 1998-06-02 2000-02-22 Dallas Semiconductor Corporation Method and apparatus for generating a continuous source of mixed and degassed resin
US6214903B1 (en) 1998-06-16 2001-04-10 Union Carbide Chemicals & Plastics Technology Corporation Post-reactor process for treating polymers prepared in a gas phase polymerization in the presence of an inert particulate material
US6255411B1 (en) 1999-04-07 2001-07-03 Union Carbide Chemicals & Plastics Technology Corporation Reactor product discharge system
HK1048327A1 (zh) * 1999-07-15 2003-03-28 菲利浦石油公司 以开槽方式引出悬浮体
DE19938574A1 (de) * 1999-08-17 2001-02-22 Stockhausen Chem Fab Gmbh Verfahren und Vorrichtung zur Entfernung von Sauerstoff aus wässrigen Monomerenlösungen
GB0110161D0 (en) * 2001-04-25 2001-06-20 Bp Chem Int Ltd Polymer treatment
GB0118609D0 (en) * 2001-07-31 2001-09-19 Bp Chem Int Ltd Degassing process
CN100413841C (zh) * 2002-01-08 2008-08-27 三菱化学株式会社 防止处理(甲基)丙烯酸及其酯的设备堵塞的方法
KR100633739B1 (ko) * 2002-03-29 2006-10-13 미쓰이 가가쿠 가부시키가이샤 중합체 제조 플랜트의 배기가스의 재사용 방법
DE60326371D1 (de) * 2002-10-30 2009-04-09 Ineos Mfg Belgium Nv Polymerbehandlung
DE10254807A1 (de) * 2002-11-22 2004-06-03 Basell Polyolefine Gmbh Verfahren und Vorrichtung zur sicheren Entfernung von flüchtigen, oxidierbaren Verbindungen aus Partikeln, insbesondere Polymerpartikeln
ES2287545T3 (es) 2002-11-22 2007-12-16 Basell Polyolefine Gmbh Eliminacion segura de compuestos volatiles oxidables de particulas, en particular particulas polimericas.
US20040167348A1 (en) * 2003-02-26 2004-08-26 Prasad Vidyanatha A. Methods for purifying O,O-dialkyl S-[2-(alkylthio)alkyl] phosphorodithioates
DE102004011324B4 (de) * 2004-03-09 2023-10-19 Coperion Gmbh Verfahren und Anlage zum Entgasen von Restmonomere enthaltendem Polyolefin-Granulat
EP1765891A2 (en) * 2004-06-21 2007-03-28 ExxonMobil Chemical Patents Inc. Polymerization process
WO2006009944A2 (en) * 2004-06-21 2006-01-26 Exxonmobil Chemical Patents Inc. Polymerization process
WO2006009977A1 (en) * 2004-06-21 2006-01-26 Exxonmobil Chemical Patents Inc. Polymerization process
EP1832404A1 (en) * 2006-03-07 2007-09-12 Total Petrochemicals Research Feluy An apparatus and method for degassing polymer powder
CA2661720C (en) 2006-08-25 2016-10-11 Chevron Phillips Chemical Company Lp Method and apparatus for managing volatile organic content in polyolefin
EP2219756B1 (en) 2007-11-27 2017-03-15 Univation Technologies, LLC Method of using an integrated hydrocarbons feed stripper
US20090214395A1 (en) * 2008-02-27 2009-08-27 The Dow Chemical Company Raw Material Efficiency Method and Process
EP2172494A1 (en) 2008-10-03 2010-04-07 Ineos Europe Limited Process
EP2172495A1 (en) 2008-10-03 2010-04-07 Ineos Europe Limited Method for the production of polymers
ES2398945T3 (es) * 2008-11-26 2013-03-22 Univation Technologies, Llc Sistemas que utilizan inserción promotora del flujo másico con purga de gas y métodos para los mismos
EP2409349A4 (en) * 2009-03-19 2013-05-01 Sion Power Corp CATHODE FOR LITHIUM BATTERY
CN102361919B (zh) * 2009-03-26 2013-10-02 积水化成品工业株式会社 减轻复合树脂颗粒的臭气的方法及复合树脂颗粒
EP2357035A1 (en) 2010-01-13 2011-08-17 Ineos Europe Limited Polymer powder storage and/or transport and/or degassing vessels
EP2404943A1 (en) 2010-07-08 2012-01-11 Ineos Commercial Services UK Limited Interlock and process
EP2404942A1 (en) 2010-07-08 2012-01-11 Ineos Commercial Services UK Limited Interlock and process
EP2404665A1 (en) 2010-07-08 2012-01-11 Ineos Commercial Services UK Limited Interlock and process
ES2480293T3 (es) * 2010-07-09 2014-07-25 Univation Technologies, Llc Expansión de etileno para refrigeración a baja temperatura en la recuperación de ventilación de polietileno
US9126353B2 (en) * 2010-11-03 2015-09-08 Ineos Olefins & Polymers Usa Method and apparatus for making polyolefin pellets
CN103403037B (zh) * 2010-11-03 2016-06-29 瓦西姆.莱姆 后处理和用于后处理粒状的聚烯烃树脂的系统
CN102161715B (zh) * 2011-01-31 2012-06-06 浙江大学 一种固体聚合物脱气及排放气回收的方法和装置
EP2743278A1 (en) 2012-12-11 2014-06-18 Basell Polyolefine GmbH Process for degassing and buffering polyolefin particles obtained by olefin polymerization
EP2796474B1 (en) 2013-04-22 2018-01-10 Borealis AG Multistage process for producing polypropylene compositions
EP2796473B1 (en) 2013-04-22 2017-05-31 Borealis AG Multistage process for producing low-temperature resistant polypropylene compositions
ES2632593T3 (es) 2013-04-22 2017-09-14 Borealis Ag Procedimiento de dos fases de producción de composiciones de polipropileno
CN103520946B (zh) 2013-09-25 2015-11-25 杭州双安科技有限公司 用于在烯烃聚合物生产中回收排放气的系统和方法
EP2853562A1 (en) 2013-09-27 2015-04-01 Borealis AG Two-stage process for producing polypropylene compositions
EP2860203B1 (en) 2013-10-10 2016-12-14 Borealis AG Multistage process for producing polyethylene compositions
KR101534149B1 (ko) 2013-11-29 2015-07-03 롯데케미칼 주식회사 폴리올레핀의 정제 방법
EP2883887A1 (en) 2013-12-13 2015-06-17 Borealis AG Multistage process for producing polyethylene compositions
EP2883885A1 (en) 2013-12-13 2015-06-17 Borealis AG Multistage process for producing polyethylene compositions
WO2015128329A1 (en) * 2014-02-26 2015-09-03 Ineos Europe Ag Polymerisation process and polymerisation unit comprising a degassing section
EP2913346B1 (en) 2014-02-28 2016-11-02 Borealis AG Process for polymerizing olefins in a fluidized bed
EP2913345B1 (en) 2014-02-28 2016-11-02 Borealis AG Gas phase polymerization process
US11292156B2 (en) 2014-12-08 2022-04-05 Borealis Ag Process for producing pellets of copolymers of propylene
KR102554874B1 (ko) 2014-12-22 2023-07-12 사빅 글로벌 테크놀러지스 비.브이. 비융화성 촉매 간의 전환 방법
US10494455B2 (en) 2014-12-22 2019-12-03 Sabic Global Technologies B.V. Process for transitioning between incompatible catalysts
KR101894687B1 (ko) 2015-02-20 2018-10-04 보레알리스 아게 프로필렌의 헤테로상의 공중합체를 제조하기 위한 공정
WO2016151098A1 (en) 2015-03-24 2016-09-29 Sabic Global Technologies B.V. Process for transitioning between incompatible catalysts
ES2673428T3 (es) 2015-06-12 2018-06-21 Borealis Ag Procedimiento y aparato para la polimerización de olefinas en fase gaseosa
EP3109261B1 (en) 2015-06-23 2018-12-26 Borealis AG Process for producing lldpe resins
BR112017028352B1 (pt) 2015-07-31 2022-02-08 Exxonmobil Chemical Patents Inc Recuperação de monômeros não reagidos a partir de processos de polimerização de olefina
RU2738657C2 (ru) * 2015-11-05 2020-12-15 Эксонмобил Кемикэл Пейтентс Инк. Способы регулирования и системы, предназначенные для очистки полимерного продукта продувкой
CN118184848A (zh) * 2015-11-05 2024-06-14 埃克森美孚化学专利公司 聚合物净化的控制方法与系统
EP3184167B8 (en) 2015-12-22 2022-03-30 Borealis AG A method for returning polymer to a fluidised bed reactor
EP3184166A1 (en) 2015-12-22 2017-06-28 Borealis AG A method for withdrawing agglomerates from a fluidised bed reactor
EP3397654B1 (en) 2015-12-30 2020-07-08 SABIC Global Technologies B.V. Improved gas phase olefins polymerization process operating in condensing mode
EP3464457B2 (en) 2016-05-31 2025-04-09 Borealis AG Polymer composition and a process for production of the polymer composition
CN109415448B (zh) 2016-06-22 2021-04-13 北欧化工公司 聚合物组合物以及制备聚合物组合物的方法
PL3512624T3 (pl) 2016-09-16 2024-11-18 W.R. Grace & Co.-Conn. Sposób skutecznego oczyszczania cząstek polimerowych
US10899942B2 (en) 2016-09-28 2021-01-26 Borealis Ag Process for producing a coated pipe
KR20190079656A (ko) 2016-11-25 2019-07-05 보레알리스 아게 폴리올레핀 필름 조성물의 제조 방법 및 그로부터 제조된 필름
AU2017365191B2 (en) 2016-11-25 2020-05-07 Borealis Ag New composition and process
GB201620525D0 (en) 2016-12-02 2017-01-18 Ineos Europe Ag Process
BR112019009598B1 (pt) * 2016-12-23 2023-02-07 Borealis Ag Processo para reduzir o teor de compostos orgânicos voláteis de plastômeros granulados
US10029230B1 (en) 2017-01-24 2018-07-24 Chevron Phillips Chemical Company Lp Flow in a slurry loop reactor
WO2018204026A1 (en) 2017-05-05 2018-11-08 Exxonmobil Chemical Patents Inc. Methods and systems for recovering volatile volatile organic compounds from a purged polymer product
EP3418309A1 (en) 2017-06-20 2018-12-26 Borealis AG A method, an arrangement and use of an arrangement of preparing polymer
ES2786756T3 (es) 2017-06-20 2020-10-13 Borealis Ag Un método, una disposición y uso de una disposición para la polimerización de olefinas
EP3418330B2 (en) 2017-06-21 2023-07-19 Borealis AG Polymer composition and a process for production of the polymer composition
ES2786567T3 (es) 2017-06-23 2020-10-13 Borealis Ag Procedimiento y aparato para la retirada de material polimérico de un reactor de polimerización de olefinas con gases y sólido
WO2019022799A1 (en) 2017-07-26 2019-01-31 Exxonmobil Chemical Patents Inc. REMOVAL OF NON-REAGENT MONOMERS AND OTHER MATERIALS FROM POLYOLEFIN PRODUCT PARTICLES
EP3661976A4 (en) * 2017-08-01 2021-08-25 ExxonMobil Chemical Patents Inc. POLYOLEFIN SOLID RECOVERY PROCESSES
US10730032B2 (en) * 2018-05-16 2020-08-04 Chevron Phillips Chemical Company Lp Polymer flake degassing system and methods
WO2019238428A1 (en) 2018-06-14 2019-12-19 Borealis Ag Process for polymerizing olefin in a gas phase reactor with improved thermal homogeneity
WO2019243006A1 (en) * 2018-06-22 2019-12-26 Borealis Ag Process for reducing the voc content of plastomers
EP3647328B1 (en) * 2018-10-31 2023-09-06 Borealis AG Reduction in voc and fog values of polypropylene grades by aeration
EP3902851A1 (en) 2018-12-28 2021-11-03 Borealis AG A process for producing polyolefin film composition and films prepared thereof
EP3902850A1 (en) 2018-12-28 2021-11-03 Borealis AG A process for producing polyolefin film composition and films prepared thereof
EP3935090B1 (en) 2019-03-07 2026-01-28 Nova Chemicals (International) S.A. Devolatilization of plastomer pellets
US12291594B2 (en) 2019-06-24 2025-05-06 Borealis Ag Process for preparing polypropylene with improved recovery
KR102794258B1 (ko) * 2019-09-20 2025-04-11 주식회사 엘지화학 미반응 단량체 제거 방법 및 이를 이용한 염화비닐계 중합체의 제조방법
PL3868793T3 (pl) 2020-02-24 2026-04-20 Borealis Gmbh Sposób produkcji polimerów alfa-olefinowych w procesie polimeryzacji wieloetapowej
US11578147B2 (en) * 2020-03-17 2023-02-14 Exxonmobil Chemical Patents Inc. Olefin polymerization processes
CN112625150A (zh) * 2020-12-04 2021-04-09 浙江大学 一种烯烃聚合物生产中兼顾树脂输送、脱气和排放气回收的装置和方法
CN112480291B (zh) * 2020-12-10 2023-04-07 天华化工机械及自动化研究设计院有限公司 一种进一步提升气相法生产聚丙烯产品品质的方法
CN117480191A (zh) 2021-06-11 2024-01-30 博里利斯股份公司 一种生产多峰乙烯聚合物的方法以及由其制备的薄膜
CN119604542A (zh) 2022-07-25 2025-03-11 埃克森美孚化学专利公司 净化的聚合物、其生产方法和设备
EP4344869A1 (en) 2022-09-30 2024-04-03 Borealis AG Multimodal ethylene copolymer composition and films comprising the same
CN120112422A (zh) 2022-10-18 2025-06-06 北欧化工公司 多层膜
EP4403598A1 (en) 2023-01-23 2024-07-24 Borealis AG Polymer composition comprising recycled low density polyethylene for packaging applications
EP4716625A1 (en) 2023-05-23 2026-04-01 Borealis GmbH Process for producing pellets of polyolefins, and pellets so produced

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2982763A (en) * 1961-05-02 mcleod
CA836977A (en) * 1970-03-17 Du Pont Of Canada Limited Steam stripping of blenders
US3039864A (en) * 1958-11-21 1962-06-19 Aluminum Co Of America Treatment of molten light metals
US3227703A (en) * 1963-01-28 1966-01-04 Eastman Kodak Co Process for deodorizing thermally degraded, unoxidized polyolefins
US3307271A (en) * 1964-02-06 1967-03-07 Du Pont Process for drying polymers
US3450183A (en) * 1964-10-02 1969-06-17 Phillips Petroleum Co Polymer recovery apparatus
US3310882A (en) * 1964-11-20 1967-03-28 Phillips Petroleum Co Solids transfer and storage system
US3594356A (en) * 1967-04-24 1971-07-20 Phillips Petroleum Co Polymer recovery process and apparatus
DE1795396C3 (de) 1968-09-26 1982-05-19 Basf Ag, 6700 Ludwigshafen Verfahren zum Entfernen flüchtiger, Geruchsbelästigungen hervorrufender Bestandteile aus feinteiligen Olefinpolymerisaten
US3585164A (en) * 1969-03-18 1971-06-15 American Cyanamid Co Casting technique using purge gas
LU70739A1 (https=) * 1974-08-14 1976-08-19
US4217444A (en) * 1975-03-28 1980-08-12 Rhone-Poulenc Industries Method of degassing polymers prepared by mass polymerizing a monomeric composition based on vinyl chloride
DE2735355A1 (de) * 1977-08-05 1979-02-15 Basf Ag Verfahren zum herstellen von homo- und copolymerisaten des aethylens
US4260398A (en) * 1977-12-01 1981-04-07 Ransohoff Jackson A Countercurrent sparger
IT1094859B (it) * 1978-05-29 1985-08-10 Montedison Spa Processo per l'ottenimento di policarbonato granulare
US4206300A (en) * 1978-06-12 1980-06-03 Standand Oil Company Method for improving color and impact strength of nitrile polymers
JPS5575410A (en) * 1978-11-30 1980-06-06 Sumitomo Chem Co Ltd Drying method and apparatus for polyolefin

Also Published As

Publication number Publication date
EP0047077A1 (en) 1982-03-10
DE3173767D1 (en) 1986-03-27
EP0047077B1 (en) 1986-02-12
FI812638A7 (fi) 1982-03-03
MA19261A1 (fr) 1982-04-01
DD201909A5 (de) 1983-08-17
MX158455A (es) 1989-02-02
CA1171591A (en) 1984-07-24
DK386981A (da) 1982-03-03
ZA815286B (en) 1982-08-25
KR830006335A (ko) 1983-09-24
AU7369881A (en) 1982-04-01
IL63601A0 (en) 1981-11-30
AU545086B2 (en) 1985-06-27
JPS5776006A (en) 1982-05-12
GR74665B (https=) 1984-06-29
BR8105547A (pt) 1982-05-18
NO812917L (no) 1982-03-03
AR226742A1 (es) 1982-08-13
US4372758A (en) 1983-02-08
FI812638L (fi) 1982-03-03
JPS6247441B2 (https=) 1987-10-08

Similar Documents

Publication Publication Date Title
FR2473180B1 (https=)
FR2473015B1 (https=)
GR74665B (https=)
DE3153241A1 (https=)
FR2473046B1 (https=)
DE3152566T1 (https=)
BR8108722A (https=)
FR2473024B1 (https=)
DE3153250A1 (https=)
CH654544B (https=)
DE3153277A1 (https=)
CH627610GA3 (https=)
CH655603B (https=)
FR2473291B1 (https=)
CH655498B (https=)
DE3115054C2 (https=)
FR2473311B1 (https=)
DE3152398T1 (https=)
DE3153243A1 (https=)
FR2473157B3 (https=)
CH655525B (https=)
CH653577B (https=)
FR2473328B1 (https=)
CH655415B (https=)
CH655460B (https=)