ATE177759T1 - Verfahren zur olefinpolymerisation - Google Patents

Verfahren zur olefinpolymerisation

Info

Publication number
ATE177759T1
ATE177759T1 AT93117875T AT93117875T ATE177759T1 AT E177759 T1 ATE177759 T1 AT E177759T1 AT 93117875 T AT93117875 T AT 93117875T AT 93117875 T AT93117875 T AT 93117875T AT E177759 T1 ATE177759 T1 AT E177759T1
Authority
AT
Austria
Prior art keywords
alkyl
cycloalkadienyl
aluminoxane
pref
aralkyl
Prior art date
Application number
AT93117875T
Other languages
English (en)
Inventor
Toshiyuki Tsutsui
Akinori Toyota
Norio Kashiwa
Original Assignee
Mitsui Chemicals Inc
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=27477101&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATE177759(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from JP61231243A external-priority patent/JPH0780937B2/ja
Priority claimed from JP23124286A external-priority patent/JPH0780931B2/ja
Priority claimed from JP61293446A external-priority patent/JP2502071B2/ja
Application filed by Mitsui Chemicals Inc filed Critical Mitsui Chemicals Inc
Application granted granted Critical
Publication of ATE177759T1 publication Critical patent/ATE177759T1/de

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F210/00Copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • C08F210/16Copolymers of ethene with alpha-alkenes, e.g. EP rubbers
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F10/00Homopolymers and copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F110/00Homopolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • C08F110/02Ethene
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F210/00Copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • C08F210/16Copolymers of ethene with alpha-alkenes, e.g. EP rubbers
    • C08F210/18Copolymers of ethene with alpha-alkenes, e.g. EP rubbers with non-conjugated dienes, e.g. EPT rubbers
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F4/00Polymerisation catalysts
    • C08F4/42Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
    • C08F4/44Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides
    • C08F4/60Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides together with refractory metals, iron group metals, platinum group metals, manganese, rhenium technetium or compounds thereof
    • C08F4/62Refractory metals or compounds thereof
    • C08F4/64Titanium, zirconium, hafnium or compounds thereof
    • C08F4/659Component covered by group C08F4/64 containing a transition metal-carbon bond
    • C08F4/65912Component covered by group C08F4/64 containing a transition metal-carbon bond in combination with an organoaluminium compound
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F4/00Polymerisation catalysts
    • C08F4/42Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
    • C08F4/44Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides
    • C08F4/60Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides together with refractory metals, iron group metals, platinum group metals, manganese, rhenium technetium or compounds thereof
    • C08F4/62Refractory metals or compounds thereof
    • C08F4/64Titanium, zirconium, hafnium or compounds thereof
    • C08F4/659Component covered by group C08F4/64 containing a transition metal-carbon bond
    • C08F4/65916Component covered by group C08F4/64 containing a transition metal-carbon bond supported on a carrier, e.g. silica, MgCl2, polymer
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F4/00Polymerisation catalysts
    • C08F4/42Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
    • C08F4/44Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides
    • C08F4/60Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides together with refractory metals, iron group metals, platinum group metals, manganese, rhenium technetium or compounds thereof
    • C08F4/62Refractory metals or compounds thereof
    • C08F4/64Titanium, zirconium, hafnium or compounds thereof
    • C08F4/659Component covered by group C08F4/64 containing a transition metal-carbon bond
    • C08F4/6592Component covered by group C08F4/64 containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F4/00Polymerisation catalysts
    • C08F4/42Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
    • C08F4/44Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides
    • C08F4/60Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides together with refractory metals, iron group metals, platinum group metals, manganese, rhenium technetium or compounds thereof
    • C08F4/62Refractory metals or compounds thereof
    • C08F4/64Titanium, zirconium, hafnium or compounds thereof
    • C08F4/659Component covered by group C08F4/64 containing a transition metal-carbon bond
    • C08F4/6592Component covered by group C08F4/64 containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring
    • C08F4/65922Component covered by group C08F4/64 containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring containing at least two cyclopentadienyl rings, fused or not
AT93117875T 1986-09-24 1987-09-24 Verfahren zur olefinpolymerisation ATE177759T1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP22378186 1986-09-24
JP61231243A JPH0780937B2 (ja) 1986-10-01 1986-10-01 オレフインの重合方法
JP23124286A JPH0780931B2 (ja) 1986-10-01 1986-10-01 オレフインの重合方法
JP61293446A JP2502071B2 (ja) 1986-09-24 1986-12-11 オレフインの重合方法

Publications (1)

Publication Number Publication Date
ATE177759T1 true ATE177759T1 (de) 1999-04-15

Family

ID=27477101

Family Applications (4)

Application Number Title Priority Date Filing Date
AT97116335T ATE227742T1 (de) 1986-09-24 1987-09-24 Olefinpolymerisationsverfahren
AT90115128T ATE114678T1 (de) 1986-09-24 1987-09-24 Verfahren zur polymerisation von polyolefinen.
AT93117875T ATE177759T1 (de) 1986-09-24 1987-09-24 Verfahren zur olefinpolymerisation
AT87906209T ATE89836T1 (de) 1986-09-24 1987-09-24 Polymerisierungsverfahren fuer olefine.

Family Applications Before (2)

Application Number Title Priority Date Filing Date
AT97116335T ATE227742T1 (de) 1986-09-24 1987-09-24 Olefinpolymerisationsverfahren
AT90115128T ATE114678T1 (de) 1986-09-24 1987-09-24 Verfahren zur polymerisation von polyolefinen.

Family Applications After (1)

Application Number Title Priority Date Filing Date
AT87906209T ATE89836T1 (de) 1986-09-24 1987-09-24 Polymerisierungsverfahren fuer olefine.

Country Status (4)

Country Link
EP (4) EP0594218B1 (de)
AT (4) ATE227742T1 (de)
DE (4) DE3752359T2 (de)
WO (1) WO1988002378A1 (de)

Families Citing this family (198)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MY103812A (en) 1988-02-12 1993-09-30 Mitsui Chemicals Inc Olefin polymerization catalyst and process for the polymerization of olefins.
US5547675A (en) * 1989-09-13 1996-08-20 Exxon Chemical Patents Inc. Modified monocyclopentadienyl transition metal/alumoxane catalyst system for polymerization of olefins
US5026798A (en) 1989-09-13 1991-06-25 Exxon Chemical Patents Inc. Process for producing crystalline poly-α-olefins with a monocyclopentadienyl transition metal catalyst system
JP2927885B2 (ja) * 1990-05-24 1999-07-28 三井化学株式会社 シンジオタクチックポリα―オレフィンの製造方法
US5801113A (en) * 1990-06-22 1998-09-01 Exxon Chemical Patents, Inc. Polymerization catalyst systems, their production and use
US5369196A (en) 1990-11-30 1994-11-29 Idemitsu Kosan Co., Ltd. Production process of olefin based polymers
CA2069995C (en) * 1991-05-31 1996-04-09 Mitsui Chemicals, Incorporated Olefin polymerization solid catalyst, olefin polymerization catalyst and olefin polymerization
EP0519746A1 (de) * 1991-06-20 1992-12-23 Mitsui Petrochemical Industries, Ltd. Katalysator zur Olefinpolymerisation, Verfahren zur Polymerisation von Olefin und Übergangsmetallverbindung, verwendbar als Katalysator
US5157008A (en) * 1991-08-01 1992-10-20 Ethyl Corporation Hydrocarbon solutions of alkylaluminoxane compounds
DE4139263A1 (de) * 1991-11-29 1993-06-03 Basf Ag Katalysatorsysteme zur polymerisation von c(pfeil abwaerts)2(pfeil abwaerts)- bis c(pfeil abwaerts)1(pfeil abwaerts)(pfeil abwaerts)0(pfeil abwaerts)-alkenen
DE4139261A1 (de) * 1991-11-29 1993-06-03 Basf Ag Ethylen-copolymerisate niederer dichte
US5459217A (en) * 1993-04-09 1995-10-17 Mitsui Petrochemical Industries, Ltd. Ethylene/alpha-olefin copolymer
DE69331112T2 (de) * 1992-08-05 2002-06-20 Exxonmobil Chem Patents Inc Ionische übergangsmetallkatalysatoreren auf träger für olefinpolymerisation
EP0586777B1 (de) * 1992-08-31 1999-04-28 Fina Research S.A. Verfahren zur Herstellung von flüssigen statistischen Copolymerisaten des Typs Ethylen
NL9201970A (nl) * 1992-11-11 1994-06-01 Dsm Nv Indenylverbindingen en katalysatorcomponenten voor de polymerisatie van olefinen.
CA2103401C (en) * 1992-11-19 2002-12-17 Mamoru Takahashi Ethylene copolymer composition
AU673048B2 (en) 1992-12-28 1996-10-24 Mobil Oil Corporation Linear low density polyethylene film
US6462154B1 (en) 1993-06-15 2002-10-08 Idemitsu Kosan Co., Ltd. Process for preparing olefin polymer and catalyst for polymerization of olefin
US5491207A (en) * 1993-12-14 1996-02-13 Exxon Chemical Patents Inc. Process of producing high molecular weight ethylene-α-olefin elastomers with an indenyl metallocene catalyst system
US5625015A (en) 1994-11-23 1997-04-29 Exxon Chemical Patents Inc. Method for making supported catalyst systems and catalyst systems therefrom
ES2116188B1 (es) * 1994-12-30 1999-04-01 Repsol Quimica Sa Proceso de obtencion de poliolefinas con distribuciones de pesos moleculares anchas, bimodales o multimodales.
NO315857B1 (no) * 1995-03-28 2003-11-03 Japan Polyolefines Co Ltd Etylen-<alfa>-olefin-kopolymer, blanding, film, laminert material, elektrisk isolerende material og strömkabel inneholdende denne
DE19516801A1 (de) * 1995-05-08 1996-11-14 Hoechst Ag Organometallverbindung
ES2178712T3 (es) 1995-08-10 2003-01-01 Exxonmobil Chem Patents Inc Alumoxano estabilizado por metalocenos.
JPH0977819A (ja) * 1995-09-11 1997-03-25 Daicel Chem Ind Ltd ポリオレフィン製造用触媒、およびポリオレフィンの製造方法
US5756416A (en) * 1995-11-28 1998-05-26 Union Carbide Chemicals & Plastics Technology Corporation Catalyst composition having improved comonomer reactivity
AU1295397A (en) * 1995-12-29 1997-07-28 Exxon Chemical Patents Inc. Slurry polymerization process
US5786291A (en) * 1996-02-23 1998-07-28 Exxon Chemical Patents, Inc. Engineered catalyst systems and methods for their production and use
ES2129323B1 (es) * 1996-04-18 2000-09-16 Repsol Quimica Sa Procedimiento para la obtencion de un sistema catalitico para la polimerizacion de alpha-olefinas en suspension en fase gas a bajas y altas temperaturas o en masa a altas presiones y altas o bajas temperaturas
US5739368A (en) * 1996-05-10 1998-04-14 Albemarle Corporation Use of heat treated alumoxanes in preparing supported catalysts
DE19622481A1 (de) 1996-06-05 1997-12-11 Hoechst Ag Geträgertes Katalysatorsystem, Verfahren zu seiner Herstellung und seine Verwendung zur Polymerisation von Olefinen
WO1997048735A1 (en) 1996-06-17 1997-12-24 Exxon Chemical Patents Inc. Mixed transition metal catalyst systems for olefin polymerization
US5811379A (en) 1996-06-17 1998-09-22 Exxon Chemical Patents Inc. Polymers derived from olefins useful as lubricant and fuel oil additives, processes for preparation of such polymers and additives and use thereof (PT-1267)
US6066603A (en) * 1996-06-17 2000-05-23 Exxon Chemical Patents Inc. Polar monomer containing copolymers derived from olefins useful as lubricant and useful as lubricant and fuel oil additivies process for preparation of such copolymers and additives and use thereof
US5847177A (en) * 1996-10-10 1998-12-08 Albemarle Corporation Production of hydrocarbon-soluble hydrocarbylaluminoxanes
FI970349A (fi) 1997-01-28 1998-07-29 Borealis As Uudet metalloseeniyhdisteiden aktivaattorisysteemit
DE69831819T2 (de) * 1997-01-30 2006-07-06 Total Petrochemicals Research Feluy, Seneffe Selektive Wirkung von Metallocen-Katalysatoren für die Herstellung von isotaktischen Polyolefinen
BR9808578A (pt) 1997-02-07 2000-05-30 Exxon Chemical Patents Inc Polìmeros de propileno incorporando macrÈmeros de polietileno
CA2276214A1 (en) 1997-02-07 1998-08-13 Exxon Chemical Patents, Inc. Preparation of vinyl-containing macromers
US6184317B1 (en) 1997-07-14 2001-02-06 The Board Of Trustees Of The Leland Stanford Jr. University Catalysts and processes for the synthesis of alternating ethylene/α-olefin copolymers, and isotactic copolymers thereof
US6172015B1 (en) 1997-07-21 2001-01-09 Exxon Chemical Patents, Inc Polar monomer containing copolymers derived from olefins useful as lubricant and fuel oil additives, processes for preparation of such copolymers and additives and use thereof
US6117962A (en) * 1997-12-10 2000-09-12 Exxon Chemical Patents Inc. Vinyl-containing stereospecific polypropylene macromers
US6197910B1 (en) 1997-12-10 2001-03-06 Exxon Chemical Patents, Inc. Propylene polymers incorporating macromers
US6184327B1 (en) 1997-12-10 2001-02-06 Exxon Chemical Patents, Inc. Elastomeric propylene polymers
US6306960B1 (en) 1998-05-13 2001-10-23 Exxonmobil Chemical Patents Inc. Articles formed from foamable polypropylene polymer
US6784269B2 (en) 1998-05-13 2004-08-31 Exxonmobil Chemical Patents Inc. Polypropylene compositions methods of making the same
EP1078009B1 (de) 1998-05-13 2004-06-16 ExxonMobil Chemical Patents Inc. Propylenhomopolymere und herstellungsverfahren
US6245868B1 (en) 1998-05-29 2001-06-12 Univation Technologies Catalyst delivery method, a catalyst feeder and their use in a polymerization process
JP5407099B2 (ja) 1998-08-26 2014-02-05 エクソンモービル・ケミカル・パテンツ・インク 分枝ポリプロピレン組成物
WO2000018808A1 (en) 1998-09-30 2000-04-06 Exxon Chemical Patents Inc. Cationic group 3 catalyst system
WO2000031089A1 (de) * 1998-11-25 2000-06-02 Basell Polyolefine Gmbh Verfahren zur aufreinigung von metallocenen
DE59914158D1 (de) 1998-11-25 2007-03-08 Basell Polyolefine Gmbh Metallocenmonohalogenide
AU4979399A (en) * 1999-01-08 2000-07-24 Board Of Trustees Of The Leland Stanford Junior University Ethylene copolymers with narrow composition distribution and high melting temperatures, and methods of production thereof
US6174930B1 (en) 1999-04-16 2001-01-16 Exxon Chemical Patents, Inc. Foamable polypropylene polymer
US6339134B1 (en) 1999-05-06 2002-01-15 Univation Technologies, Llc Polymerization process for producing easier processing polymers
WO2001032758A1 (en) 1999-11-04 2001-05-10 Exxon Chemical Patents Inc. Propylene copolymer foams and their use
US6809168B2 (en) 1999-12-10 2004-10-26 Exxonmobil Chemical Patents Inc. Articles formed from propylene diene copolymers
US6977287B2 (en) 1999-12-10 2005-12-20 Exxonmobil Chemical Patents Inc. Propylene diene copolymers
CN1407995A (zh) 1999-12-10 2003-04-02 埃克森化学专利公司 丙烯-二烯共聚的聚合物
US6281306B1 (en) 1999-12-16 2001-08-28 Univation Technologies, Llc Method of polymerization
CA2395532A1 (en) 1999-12-22 2001-06-28 A. G. Karandinos Polypropylene-based adhesive compositions
US6509431B1 (en) * 2000-01-18 2003-01-21 Exxonmobil Oil Corporation Terpolymers
WO2003002583A2 (en) 2001-06-29 2003-01-09 Exxonmobil Chemical Patents Inc. Metallocenes and catalyst compositions derived therefrom
US7223822B2 (en) 2002-10-15 2007-05-29 Exxonmobil Chemical Patents Inc. Multiple catalyst and reactor system for olefin polymerization and polymers produced therefrom
US7294681B2 (en) 2002-10-15 2007-11-13 Exxonmobil Chemical Patents Inc. Mutliple catalyst system for olefin polymerization and polymers produced therefrom
EP1566397B1 (de) 2002-11-05 2017-07-05 Meisei Chemical Works, Ltd. Polymerisationskatalysatorzusammensetzung für ethylenoxid und herstellungsverfahren für poly(ethylenoxid) damit
US20040102311A1 (en) 2002-11-21 2004-05-27 Abbas Razavi Bridged metallocene catalyst component, method of making, polyolefin catalyst having C1, C2, or Cs symmetry, methods of making, methods of polymerizing, olefins and products made thereof
AU2003293887A1 (en) 2002-12-16 2004-07-09 Basell Polyolefine Gmbh Preparation of supported catalyst systems containing reduced amounts of aluminoxanes
US7195806B2 (en) 2003-01-17 2007-03-27 Fina Technology, Inc. High gloss polyethylene articles
US6953764B2 (en) 2003-05-02 2005-10-11 Dow Global Technologies Inc. High activity olefin polymerization catalyst and process
GB0411742D0 (en) 2004-05-26 2004-06-30 Exxonmobil Chem Patents Inc Transition metal compounds for olefin polymerization and oligomerization
US7399874B2 (en) 2004-10-29 2008-07-15 Exxonmobil Chemical Patents Inc. Catalyst compound containing divalent tridentate ligand
US8536268B2 (en) 2004-12-21 2013-09-17 Dow Global Technologies Llc Polypropylene-based adhesive compositions
EP1910431B1 (de) 2005-07-19 2013-11-27 ExxonMobil Chemical Patents Inc. Poly-alpha-olefin-zusammensetzungen und herstellungsverfahren dafür
WO2007011462A1 (en) 2005-07-19 2007-01-25 Exxonmobil Chemical Patents Inc. Lubricants from mixed alpha-olefin feeds
EP1920031B1 (de) 2005-07-19 2018-01-10 ExxonMobil Chemical Patents Inc. Schmiermittel aus gemischten alpha-olefin-einsatzstoffen
EP1963347B1 (de) 2005-12-14 2011-10-19 ExxonMobil Chemical Patents Inc. Halogensubstituierte metallocenverbindungen für die olefinpolymerisation
EP1803747A1 (de) 2005-12-30 2007-07-04 Borealis Technology Oy Oberflächemodifizierte Polymerisationskatalysatoren zur Herstellung von Polyolefinfilmen mit niedrigem Gelgehalt
KR101397337B1 (ko) 2006-05-17 2014-05-19 다우 글로벌 테크놀로지스 엘엘씨 고 효율 용액 중합 방법
US8143352B2 (en) 2006-12-20 2012-03-27 Exxonmobil Research And Engineering Company Process for fluid phase in-line blending of polymers
US8362163B2 (en) 2007-03-07 2013-01-29 Dow Global Technologies, Llc Tethered supported transition metal complex
WO2009035580A1 (en) 2007-09-13 2009-03-19 Exxonmobil Research And Engineering Company In-line process for producing plasticized polymers and plasticized polymer blends
BRPI0703586B1 (pt) 2007-10-19 2018-02-06 Braskem S.A Catalisador metaloceno suportado, e, copolímeros de etileno com alfa-olefinas de alto e ultra alto peso molecular
TW200932762A (en) 2007-10-22 2009-08-01 Univation Tech Llc Polyethylene compositions having improved properties
TW200936619A (en) 2007-11-15 2009-09-01 Univation Tech Llc Polymerization catalysts, methods of making, methods of using, and polyolefin products made therefrom
US8420760B2 (en) 2007-11-19 2013-04-16 Dow Global Technologies Llc Long chain branched propylene-alpha-olefin copolymers
US8138269B2 (en) 2007-12-20 2012-03-20 Exxonmobil Research And Engineering Company Polypropylene ethylene-propylene copolymer blends and in-line process to produce them
EP2112173A1 (de) 2008-04-16 2009-10-28 ExxonMobil Chemical Patents Inc. Katalysatorverbindungen und ihre Verwendung
CN101977944A (zh) 2008-03-31 2011-02-16 埃克森美孚化学专利公司 剪切稳定的高粘度pao的制备
EP2119732A1 (de) 2008-05-16 2009-11-18 Borealis Technology Oy Metallocen-Katalysator-Zusammensetzungen mit verbesserten Eigenschaften, Verfahren zu ihrer Herstellung und ihre Verwendung zur Herstellung von Polyolefin-Homo- oder Copolymeren
US8399586B2 (en) 2008-09-05 2013-03-19 Exxonmobil Research And Engineering Company Process for feeding ethylene to polymerization reactors
EP2172490A1 (de) 2008-10-03 2010-04-07 Ineos Europe Limited Polimerisationsverfahren
EP2186831B1 (de) 2008-11-10 2013-01-02 Borealis AG Verfahren zur Herstellung eines nicht geträgerten, festen Olefinpolymerisationskatalysators und Verwendung bei der Polymerisation von Olefinen
ES2392698T3 (es) 2008-11-10 2012-12-13 Borealis Ag Proceso para la preparación de un sistema catalizador metalocénico sólido, sin soporte, y su uso en la polimerización de olefinas
WO2010074815A1 (en) 2008-12-15 2010-07-01 Exxonmobil Chemical Patents Inc. Thermoplastic olefin compositions
RU2515900C2 (ru) 2008-12-18 2014-05-20 Юнивейшн Текнолоджиз, Ллк Способ обработки зародышевого слоя реакции полимеризации
CA2777230C (en) 2009-10-19 2015-12-22 Sasol Technology (Pty) Limited Oligomerisation of olefinic compounds with reduced polymer formation
BR112012013675A2 (pt) 2009-12-07 2016-04-19 Univation Tech Llc métodos para a produção de carga estática de um catalisador e métodos para o uso do catalisador para produzir poliolefinas
WO2011078923A1 (en) 2009-12-23 2011-06-30 Univation Technologies, Llc Methods for producing catalyst systems
CN105061644B (zh) 2009-12-24 2017-10-27 埃克森美孚化学专利公司 用于生产新型合成基础油料的方法
EP2357035A1 (de) 2010-01-13 2011-08-17 Ineos Europe Limited Polymerpulveraufbewahrungs- und/oder -transport- und/oder -entgasungsgefäßen
ES2545988T3 (es) 2010-01-29 2015-09-17 Borealis Ag Mejora de homogeneidad en mezclas de polietileno
ES2394253T3 (es) 2010-01-29 2013-01-30 Borealis Ag Composición de moldeo de polietileno con una relación de craqueo por tensión/rigidez y resistencia al impacto mejoradas
EP2354183B1 (de) 2010-01-29 2012-08-22 Borealis AG Formungszusammensetzung
MY159256A (en) 2010-02-18 2016-12-30 Univation Tech Llc Methods for operating a polymerization reactor
RU2634720C1 (ru) 2010-02-22 2017-11-03 Юнивейшн Текнолоджиз, Ллк Каталитические системы и способы их применения для получения полиолефиновых продуктов
US8058461B2 (en) 2010-03-01 2011-11-15 Exxonmobil Chemical Patents Inc. Mono-indenyl transition metal compounds and polymerization therewith
EP2383301A1 (de) 2010-04-30 2011-11-02 Ineos Europe Limited Polymerisierungsverfahren
EP2383298A1 (de) 2010-04-30 2011-11-02 Ineos Europe Limited Polymerisierungsverfahren
EP2386582B1 (de) 2010-05-07 2016-02-17 Borealis AG Herstellung eines Feststoffkatalysatorsystems
EP2386581B1 (de) 2010-05-07 2014-03-26 Borealis AG Herstellung eines Feststoffkatalysatorsystems
EP2386583A1 (de) 2010-05-07 2011-11-16 Borealis AG Herstellung eines Feststoffkatalysatorsystems
RU2592276C2 (ru) 2010-10-21 2016-07-20 Юнивейшн Текнолоджиз,ЛЛК Полиэтилен и способы его получения
WO2012072417A1 (en) 2010-11-29 2012-06-07 Ineos Commercial Services Uk Limited Polymerisation control process
ES2571737T3 (es) 2010-11-30 2016-05-26 Univation Tech Llc Procedimientos para la polimerización de olefinas con sales metálicas de carboxilato extraídas
ES2543432T3 (es) 2010-11-30 2015-08-19 Univation Technologies, Llc Composición de catalizador con características de flujo mejoradas y métodos de producir y utilizar la misma
US9637567B2 (en) 2011-05-13 2017-05-02 Univation Technologies, Llc Spray-dried catalyst compositions and polymerization processes employing the same
US8383740B1 (en) 2011-08-12 2013-02-26 Ineos Usa Llc Horizontal agitator
WO2013028283A1 (en) 2011-08-19 2013-02-28 Univation Technologies, Llc Catalyst systems and methods for using same to produce polyolefin products
CN103874714B (zh) 2011-10-17 2016-06-22 英尼奥斯欧洲股份公司 聚合物脱气工艺控制
BR112014010906B1 (pt) 2011-11-08 2020-12-01 Univation Technologies, Llc método para produzir uma poliolefina
KR102022132B1 (ko) 2011-11-08 2019-09-17 유니베이션 테크놀로지즈, 엘엘씨 촉매 시스템의 제조 방법
WO2013158225A1 (en) 2012-04-18 2013-10-24 Exxonmobil Chemical Patents Inc. Polyolefin compositions and methods of production thereof
BR112015009968A2 (pt) 2012-11-12 2017-07-11 Univation Tech Llc sistemas resfriadores de gás de reciclagem para processos de polimerização em fase gasosa
EP4039366A1 (de) 2012-12-28 2022-08-10 Univation Technologies, LLC Geträgerter katalysator mit verbesserten fliesseigeschaften
BR112015016824B1 (pt) 2013-01-14 2020-10-06 Univation Technologies, Llc. Método para produzir um sistema catalítico e processo de polimerização
WO2014120494A1 (en) 2013-01-30 2014-08-07 Univation Technologies, Llc Processes for making catalyst compositions having improved flow
RU2654061C2 (ru) 2013-02-07 2018-05-16 ЮНИВЕЙШН ТЕКНОЛОДЖИЗ, ЭлЭлСи Получение полиолефина
JP6360549B2 (ja) 2013-03-15 2018-07-18 ユニベーション・テクノロジーズ・エルエルシー オレフィン重合触媒用の三座窒素系配位子
US9718900B2 (en) 2013-03-15 2017-08-01 Univation Technologies, Llc Ligands for catalysts
CN107266402A (zh) 2013-06-05 2017-10-20 尤尼威蒂恩技术有限责任公司 保护酚基
US9670347B2 (en) 2013-08-14 2017-06-06 Borealis Ag Propylene composition with improved impact resistance at low temperature
CN105452363B (zh) 2013-08-21 2018-06-12 博里利斯股份公司 具有高刚性和韧性的高流动聚烯烃组合物
MX2016001930A (es) 2013-08-21 2016-05-26 Borealis Ag Composicion de poliolefina de alto flujo con alta rigidez y tenacidad.
ES2587781T3 (es) 2013-09-27 2016-10-26 Borealis Ag Películas adecuadas para procesamiento BOPP de polímeros con altos XS y alta Tm
EP2860031B1 (de) 2013-10-11 2016-03-30 Borealis AG In Maschinenrichtung ausgerichtete Folien für Etiketten
PL2865713T3 (pl) 2013-10-24 2016-10-31 Wyrób formowany z rozdmuchiwaniem na bazie dwumodalnego bezładnego kopolimeru
ES2661108T3 (es) 2013-10-24 2018-03-27 Borealis Ag Homopolímero de polipropileno de bajo punto de fusión con alto contenido de regioerrores y alto peso molecular
EP3063185B9 (de) 2013-10-29 2017-11-15 Borealis AG Feste single-site-katalysatoren mit hoher polymerisationsaktivität
CA2927448C (en) 2013-11-22 2017-01-17 Borealis Ag Low emission propylene homopolymer with high melt flow
CN105793298B (zh) 2013-12-04 2019-06-28 博里利斯股份公司 用于熔喷纤维的不含邻苯二甲酸酯的pp均聚物
EP3080200B1 (de) 2013-12-09 2018-11-14 Univation Technologies, LLC Zuführung von polymerisierungsadditiven zu einem polymerisierungsverfahren
EP3083777B1 (de) 2013-12-18 2019-04-24 Borealis AG Bopp-folie mit verbesserter steifigkeits- und zähigkeitsbalance
WO2015107020A1 (en) 2014-01-17 2015-07-23 Borealis Ag Process for preparing propylene/1-butene copolymers
US10100186B2 (en) 2014-02-06 2018-10-16 Borealis Ag Soft and transparent impact copolymers
CN112225997B (zh) 2014-02-06 2023-09-22 北欧化工公司 高冲击强度的柔性共聚物
EP2907841A1 (de) 2014-02-14 2015-08-19 Borealis AG Polypropylenverbundstoff
EP3747913B1 (de) 2014-04-02 2024-04-17 Univation Technologies, LLC Kontinuitätszusammensetzungen und verwendung davon in olefinpolymerisationsverfahren
EP2947118B1 (de) 2014-05-20 2017-11-29 Borealis AG Polypropylenzusammensetzung für Anwendungen im Fahrzeuginnenraum
CN113321757B (zh) 2014-06-16 2023-05-05 尤尼威蒂恩技术有限责任公司 修改聚乙烯树脂的熔体流动比率和/或溶胀的方法
EP3155027B1 (de) 2014-06-16 2024-04-03 Univation Technologies, LLC Verfahren zur herstellung eines polyethylenharzes
BR112017003306B1 (pt) 2014-08-19 2022-03-03 Univation Technologies, Llc Método para preparar um suporte de catalisador fluorado e sistema de catalisador
EP3183059A1 (de) 2014-08-19 2017-06-28 Univation Technologies, LLC Fluorierte katalysatorträger und katalysatorsysteme
CA2957809C (en) 2014-08-19 2023-01-03 Univation Technologies, Llc Fluorinated catalyst supports and catalyst systems
CA2978925C (en) 2015-03-10 2023-08-22 Univation Technologies, Llc Spray dried catalyst compositions, methods for preparation and use in olefin polymerization processes
US10195589B2 (en) 2015-04-20 2019-02-05 Univation Technologies, Llc Bridged bi-aromatic ligands and olefin polymerization catalysts prepared therefrom
US10252967B2 (en) 2015-04-20 2019-04-09 Univation Technologies, Llc Bridged bi-aromatic ligands and transition metal compounds prepared therefrom
SG11201708626SA (en) 2015-04-27 2017-11-29 Univation Tech Llc Supported catalyst compositions having improved flow properties and preparation thereof
US10351647B2 (en) 2015-05-29 2019-07-16 Exxonmobil Chemical Patents Inc. Polymerization process using bridged metallocene compounds supported on organoaluminum treated layered silicate supports
WO2016197037A1 (en) 2015-06-05 2016-12-08 Exxonmobil Chemical Patents Inc. Catalyst system comprising supported alumoxane and unsupported alumoxane particles
US10570219B2 (en) 2015-06-05 2020-02-25 Exxonmobil Chemical Patents Inc. Production of heterophasic polymers in gas or slurry phase
US10759886B2 (en) 2015-06-05 2020-09-01 Exxonmobil Chemical Patents Inc. Single reactor production of polymers in gas or slurry phase
WO2017052847A1 (en) 2015-09-24 2017-03-30 Exxonmobil Chemical Patents Inc. Polymerization process using pyridyldiamido compounds supported on organoaluminum treated layered silicate supports
SG11201906680WA (en) 2017-02-13 2019-08-27 Univation Tech Llc Bimodal polyethylene resins
US11421051B2 (en) 2017-12-18 2022-08-23 Dow Global Technologies Llc Zirconocene-titanocene catalyst system
US11384170B2 (en) 2017-12-21 2022-07-12 Borealis Ag Process for the preparation of solid catalyst
EP3732208A1 (de) 2017-12-27 2020-11-04 Borealis AG Ziegler-natta-katalysator und herstellung davon
EP3732209A1 (de) 2017-12-28 2020-11-04 Borealis AG Katalysator und herstellung davon
CN111741988A (zh) 2018-03-19 2020-10-02 尤尼威蒂恩技术有限责任公司 乙烯/1-己烯共聚物
SG11202008431UA (en) 2018-03-23 2020-10-29 Univation Tech Llc Catalyst formulations
BR112021001038B1 (pt) 2018-07-31 2024-01-30 Dow Global Technologies Llc Formulação de polietileno, e, artigo
WO2020056119A1 (en) 2018-09-14 2020-03-19 Fina Technology, Inc. Polyethylene and controlled rheology polypropylene polymer blends and methods of use
JP2022505111A (ja) 2018-11-06 2022-01-14 ダウ グローバル テクノロジーズ エルエルシー アルカン可溶性非メタロセンプレ触媒を使用してオレフィンを重合する方法
EP3877391B1 (de) 2018-11-06 2023-11-15 Dow Global Technologies LLC Alkanlösliche nichtmetallocen-vorkatalysatoren
EP3877392B1 (de) 2018-11-06 2023-11-15 Dow Global Technologies LLC Alkanlösliche nichtmetallocen-vorkatalysatoren
WO2020172306A1 (en) 2019-02-20 2020-08-27 Fina Technology, Inc. Polymer compositions with low warpage
EP3947480A1 (de) 2019-04-05 2022-02-09 ExxonMobil Chemical Patents Inc. Polymerprodukt mit breiter molekulargewichtsverteilung aus schlaufenreaktoren mit gezielten thermischen gradienten
WO2020205337A1 (en) 2019-04-05 2020-10-08 Exxonmobil Chemical Patents Inc. Controlling molecular weight distribution and chemical composition distribution of a polyolefin product
US11530279B2 (en) 2019-04-05 2022-12-20 Exxonmobil Chemicals Patents Inc. Broad molecular weight distribution polymer product from loop reactors with intentional thermal gradients
WO2021034471A1 (en) 2019-08-16 2021-02-25 Exxonmobil Chemical Patents Inc. Producing blocks of block copolymer in a separator downstream of a reactor
WO2021086552A1 (en) 2019-10-29 2021-05-06 Exxonmobil Chemical Patents Inc. Production of gradient copolymers using monomer and comonomer concentration gradients in a loop reactor
BR112022023873A2 (pt) 2020-05-29 2022-12-20 Dow Global Technologies Llc Pró-catalisador, sistema catalisador, método para produzir um sistema catalisador, e, processo para produzir polietileno
EP4157892A1 (de) 2020-05-29 2023-04-05 Dow Global Technologies LLC Abgeschwächte katalysatoren nach metallocenen
CA3180279A1 (en) 2020-05-29 2021-12-02 Rhett A. BAILLIE Catalyst systems and processes for producing polyethylene using the same
WO2021242678A1 (en) 2020-05-29 2021-12-02 Univation Technologies, Llc Single reactor bimodal polyethylene with improved modulus for extrusion blow molding drum applications
KR20230018434A (ko) 2020-05-29 2023-02-07 다우 글로벌 테크놀로지스 엘엘씨 화학적으로 전환된 촉매
EP4157891A1 (de) 2020-05-29 2023-04-05 Dow Global Technologies LLC Abgeschwächte katalysatoren nach metallocenen
CN115515991A (zh) 2020-05-29 2022-12-23 陶氏环球技术有限责任公司 减弱的后茂金属催化剂
BR112022023884A2 (pt) 2020-05-29 2022-12-27 Dow Global Technologies Llc Processo para produzir um copolímero à base de etileno
BR112022023898A2 (pt) 2020-05-29 2022-12-27 Dow Global Technologies Llc Métodos para produzir um catalisador não metalocênico de produtividade aprimorada, de alimentar um catalisador não metalocênico de produtividade aprimorada a um reator de polimerização em fase de lama, em fase de solução ou em fase gasosa e para produzir um polímero de poliolefina, catalisador não metalocênico de produtividade aprimorada, sistema catalisador multimodal, polímero de poliolefina, e, artigo fabricado
US20230151127A1 (en) 2020-05-29 2023-05-18 Dow Global Technologies Llc Attenuated hybrid catalysts
WO2021247244A2 (en) 2020-06-03 2021-12-09 Exxonmobil Chemical Patents Inc. Process for production of thermoplastic vulcanizates using supported catalyst systems and compositions made therefrom
CA3187544A1 (en) 2020-08-05 2022-02-10 Mohamed Esseghir Thermoplastic compositions comprising bimodal polyethylene and articles manufactured therefrom
MX2023001295A (es) 2020-08-05 2023-04-19 Dow Global Technologies Llc Composiciones termoplásticas que comprenden polímeros reciclados y artículos fabricados a partir de estas.
US20220340723A1 (en) 2021-04-26 2022-10-27 Fina Technology, Inc. Thin Single-Site Catalyzed Polymer Sheets
WO2023096865A1 (en) 2021-11-23 2023-06-01 Dow Global Technologies Llc Supported catalyst systems containing a silocon bridged, anthracenyl substituted bis-biphenyl-phenoxy organometallic compound for making polyethylene and polyethylene copolymer resins in a gas phase polymerization reactor
WO2023096864A1 (en) 2021-11-23 2023-06-01 Dow Global Technologies Llc Supported catalyst systems containing a carbon bridged, anthracenyl substituted bis-biphenyl-phenoxy organometallic compound for making polyethylene and poly ethylene copolymer resins in a gas phase polymerization reactor
WO2023096868A1 (en) 2021-11-23 2023-06-01 Dow Global Technologies Llc Supported catalyst systems containing a germanium bridged, anthracenyl substituted bis-biphenyl-phenoxy organometallic compound for making polyethylene and polyethylene copolymer resins in a gas phase polymerization reactor

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3127133A1 (de) * 1981-07-09 1983-01-27 Hoechst Ag, 6000 Frankfurt Verfahren zur herstellung von polyolefinen und deren copolymerisaten
FR2539133A1 (fr) * 1983-01-11 1984-07-13 Raffinage Cie Francaise Procede de preparation de compositions catalytiques pour la polymerisation d'olefines, compositions catalytiques preparees par ce procede et application desdites compositions
FR2546522B1 (fr) 1983-05-25 1985-07-26 Ato Chimie Procede de preparation d'une composante de metal de transition pour un systeme catalytique de polymerisation d'olefines
US4530914A (en) 1983-06-06 1985-07-23 Exxon Research & Engineering Co. Process and catalyst for producing polyethylene having a broad molecular weight distribution
CA1231702A (en) 1983-06-06 1988-01-19 John A. Ewen Process and catalyst for producing reactor blend polyolefins
ZA844157B (en) 1983-06-06 1986-01-29 Exxon Research Engineering Co Process and catalyst for polyolefin density and molecular weight control
JPS60106808A (ja) 1983-11-14 1985-06-12 Idemitsu Kosan Co Ltd ポリエチレン系組成物の製造方法
JPS60130604A (ja) 1983-12-16 1985-07-12 Idemitsu Kosan Co Ltd ポリオレフインの製造方法
JPS60260602A (ja) 1984-06-07 1985-12-23 Idemitsu Kosan Co Ltd ポリオレフィンの製造方法
DE3424697C2 (de) 1984-07-05 1999-07-08 Targor Gmbh Verfahren zur Polymerisation von Ethylen oder von Mischungen von Ethylen mit anderen 1-Olefinen
US4552859A (en) * 1984-08-06 1985-11-12 Stauffer Chemical Company Olefin polymerization catalyst and process
JPH0788403B2 (ja) 1984-11-01 1995-09-27 昭和電工株式会社 ポリオレフインの製造方法
US4701432A (en) * 1985-11-15 1987-10-20 Exxon Chemical Patents Inc. Supported polymerization catalyst
ATE81512T1 (de) * 1986-08-26 1992-10-15 Mitsui Petrochemical Ind Katalysator zur polymerisierung von alpha-olefin und verfahren.
US5122491A (en) * 1987-04-20 1992-06-16 Mitsui Petrochemical Industries, Ltd. Catalyst for polymerizing an olefin and process for polymerizing an olefin
JP2538595B2 (ja) * 1987-05-13 1996-09-25 三井石油化学工業株式会社 オレフイン重合用固体触媒
JPH0635007A (ja) * 1992-07-14 1994-02-10 Oki Electric Ind Co Ltd 波長可変光フィルタ
JPH0635006A (ja) * 1992-07-15 1994-02-10 Sekisui Chem Co Ltd エレクトロクロミック素子
JP3040883B2 (ja) * 1992-07-22 2000-05-15 日本電信電話株式会社 多端子光スイッチ

Also Published As

Publication number Publication date
EP0406912A3 (en) 1991-01-23
EP0812862A2 (de) 1997-12-17
EP0287666B1 (de) 1993-05-26
DE3786013T2 (de) 1993-09-02
ATE89836T1 (de) 1993-06-15
DE3750818D1 (de) 1995-01-12
DE3752359T2 (de) 2003-07-31
EP0406912B1 (de) 1994-11-30
EP0812862B1 (de) 2002-11-13
DE3786013D1 (de) 1993-07-01
ATE227742T1 (de) 2002-11-15
DE3750818T2 (de) 1995-04-20
DE3752359D1 (de) 2002-12-19
EP0406912A2 (de) 1991-01-09
DE3752260T2 (de) 1999-09-02
ATE114678T1 (de) 1994-12-15
EP0594218A1 (de) 1994-04-27
EP0812862A3 (de) 1998-04-29
EP0594218B1 (de) 1999-03-17
DE3752260D1 (de) 1999-04-22
EP0287666A4 (de) 1988-11-07
EP0287666A1 (de) 1988-10-26
WO1988002378A1 (en) 1988-04-07

Similar Documents

Publication Publication Date Title
ATE177759T1 (de) Verfahren zur olefinpolymerisation
ATE81512T1 (de) Katalysator zur polymerisierung von alpha-olefin und verfahren.
DE3867515D1 (de) Verfahren zur herstellung eines festen katalysators zur olefinpolymerisation.
NO170979C (no) Olefinpolymerisasjonskatalysator og fremgangsmaate for fremstilling av polymerer av olefiner
NO881826L (no) Ny baaret polymeriseringskatalysator.
DE3780827D1 (de) Katalysator fuer olefinpolymerisierung und verfahren zur herstellung.
DE69333535D1 (de) Verfahren zur (Co)Polymerisation von Olefinen
DE68925132D1 (de) Olefinpolymerisationskatalysator und Verfahren zur Olefinpolymerisation
NO954148L (no) Fast katalysatorbestanddel, fremstilling derav, samt fremgangsmåte ved fremstilling av polyolerfiner
DE68915456T2 (de) Katalysator und verfahren zur polymerisierung von olefinen.
DE3685971D1 (de) Verfahren zur herstellung von ethylenpolymeren.

Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee