ES2171184T3 - Sistemas cataliticos de polimerizacion, su produccion y uso. - Google Patents

Sistemas cataliticos de polimerizacion, su produccion y uso.

Info

Publication number
ES2171184T3
ES2171184T3 ES95909537T ES95909537T ES2171184T3 ES 2171184 T3 ES2171184 T3 ES 2171184T3 ES 95909537 T ES95909537 T ES 95909537T ES 95909537 T ES95909537 T ES 95909537T ES 2171184 T3 ES2171184 T3 ES 2171184T3
Authority
ES
Spain
Prior art keywords
production
catalytic systems
polymerization catalytic
polymerization
supported
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
ES95909537T
Other languages
English (en)
Other versions
ES2171184T5 (es
Inventor
Moses Olukayode Jejelowo
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ExxonMobil Chemical Patents Inc
Original Assignee
ExxonMobil Chemical Patents 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=22722886&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ES2171184(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by ExxonMobil Chemical Patents Inc filed Critical ExxonMobil Chemical Patents Inc
Application granted granted Critical
Publication of ES2171184T3 publication Critical patent/ES2171184T3/es
Publication of ES2171184T5 publication Critical patent/ES2171184T5/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • C08F10/00—Homopolymers and copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • 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
    • C08F4/00—Polymerisation catalysts
    • C08F4/42—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
    • C08F4/44—Metals; 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
    • C08F4/60—Metals; 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
    • C08F4/619—Component covered by group C08F4/60 containing a transition metal-carbon bond
    • C08F4/61916—Component covered by group C08F4/60 containing a transition metal-carbon bond supported on a carrier, e.g. silica, MgCl2, polymer
    • 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
    • C08F4/00—Polymerisation catalysts
    • C08F4/42—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
    • C08F4/44—Metals; 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
    • C08F4/60—Metals; 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
    • C08F4/619—Component covered by group C08F4/60 containing a transition metal-carbon bond
    • C08F4/6192—Component covered by group C08F4/60 containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring
    • C08F4/61922—Component covered by group C08F4/60 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
    • 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
    • C08F4/00—Polymerisation catalysts
    • C08F4/42—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
    • C08F4/44—Metals; 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
    • C08F4/60—Metals; 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
    • C08F4/62—Refractory metals or compounds thereof
    • C08F4/64—Titanium, zirconium, hafnium or compounds thereof
    • C08F4/659—Component covered by group C08F4/64 containing a transition metal-carbon bond
    • C08F4/65916—Component covered by group C08F4/64 containing a transition metal-carbon bond supported on a carrier, e.g. silica, MgCl2, polymer
    • 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
    • C08F4/00—Polymerisation catalysts
    • C08F4/42—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
    • C08F4/44—Metals; 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
    • C08F4/60—Metals; 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
    • C08F4/62—Refractory metals or compounds thereof
    • C08F4/64—Titanium, zirconium, hafnium or compounds thereof
    • C08F4/659—Component covered by group C08F4/64 containing a transition metal-carbon bond
    • C08F4/6592—Component 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S526/00—Synthetic resins or natural rubbers -- part of the class 520 series
    • Y10S526/901—Monomer polymerized in vapor state in presence of transition metal containing catalyst
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S526/00—Synthetic resins or natural rubbers -- part of the class 520 series
    • Y10S526/904—Monomer polymerized in presence of transition metal containing catalyst at least part of which is supported on a polymer, e.g. prepolymerized catalysts
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S526/00—Synthetic resins or natural rubbers -- part of the class 520 series
    • Y10S526/943—Polymerization with metallocene catalysts

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Polymerization Catalysts (AREA)

Abstract

LA INVENCION ESTA GENERALMENTE DIRIGIDA HACIA UN SISTEMA CATALIZADOR SOPORTADO UTIL PARA LA POLIMERIZAR OLEFINAS.LA INVENCION, PARTICULARMENTE SE REFIERE A UN SISTEMA DE CATALIZADOR METALOCENO SOPORTADO QUE NO REQUIERE UN ACTIVADOR O UN COCATALIZADOR PARA LA POLIMERIZACION DE OLEFINAS.
ES95909537T 1994-02-14 1995-02-13 Sistemas cataliticos de polimerizacion, su produccion y uso. Expired - Lifetime ES2171184T5 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US19580694A 1994-02-14 1994-02-14
US195806 1994-02-14

Publications (2)

Publication Number Publication Date
ES2171184T3 true ES2171184T3 (es) 2002-09-01
ES2171184T5 ES2171184T5 (es) 2005-09-16

Family

ID=22722886

Family Applications (1)

Application Number Title Priority Date Filing Date
ES95909537T Expired - Lifetime ES2171184T5 (es) 1994-02-14 1995-02-13 Sistemas cataliticos de polimerizacion, su produccion y uso.

Country Status (7)

Country Link
US (1) US5639835A (es)
EP (1) EP0746574B2 (es)
JP (1) JP3553957B2 (es)
CA (1) CA2183102C (es)
DE (1) DE69525042T3 (es)
ES (1) ES2171184T5 (es)
WO (1) WO1995021874A1 (es)

Families Citing this family (53)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19622481A1 (de) * 1996-06-05 1997-12-11 Hoechst Ag Geträgertes Katalysatorsystem, Verfahren zu seiner Herstellung und seine Verwendung zur Polymerisation von Olefinen
GB9613814D0 (en) * 1996-07-02 1996-09-04 Bp Chem Int Ltd Supported polymerisation catalysts
RU2339650C2 (ru) 2003-03-21 2008-11-27 Дау Глобал Текнолоджиз, Инк. Способ полимеризации олефинов с регулируемой морфологией
US6953764B2 (en) 2003-05-02 2005-10-11 Dow Global Technologies Inc. High activity olefin polymerization catalyst and process
US7119153B2 (en) * 2004-01-21 2006-10-10 Jensen Michael D Dual metallocene catalyst for producing film resins with good machine direction (MD) elmendorf tear strength
US7582711B2 (en) 2005-03-04 2009-09-01 Univation Technologies, Llc Ziegler-type catalysts having increased productivity
US20070049711A1 (en) 2005-09-01 2007-03-01 Chi-I Kuo Catalyst compositions comprising support materials having an improved particle-size distribution
EP1803747A1 (en) 2005-12-30 2007-07-04 Borealis Technology Oy Surface-modified polymerization catalysts for the preparation of low-gel polyolefin films
ES2567141T3 (es) 2006-05-05 2016-04-20 Dow Global Technologies Llc Complejos de hafnio de ligandos de imidazol sustituidos con carbazolilo
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
WO2010080871A1 (en) 2009-01-08 2010-07-15 Univation Technologies, Llc Additive for gas phase polymerization processes
KR101698618B1 (ko) 2009-01-08 2017-01-20 유니베이션 테크놀로지즈, 엘엘씨 폴리올레핀 중합 방법을 위한 첨가제
EP2456796B1 (en) 2009-07-23 2013-07-17 Univation Technologies, LLC Polymerization reaction system
RU2554881C2 (ru) 2010-02-18 2015-06-27 Юнивейшн Текнолоджиз, Ллк Способы управления работой реактора для полимеризации
JP5727523B2 (ja) 2010-02-22 2015-06-03 ユニベーション・テクノロジーズ・エルエルシー 触媒系及びポリオレフィン製品を製造するための該触媒系の使用方法
CN102844371B (zh) 2010-04-13 2015-04-01 尤尼威蒂恩技术有限责任公司 聚合物共混物和由其制造的薄膜
CN103097015B (zh) 2010-07-16 2015-11-25 尤尼威蒂恩技术有限责任公司 测量反应器表面上颗粒积聚的系统与方法
WO2012009215A1 (en) 2010-07-16 2012-01-19 Univation Technologies, Llc Systems and methods for measuring static charge on particulates
WO2012015898A1 (en) 2010-07-28 2012-02-02 Univation Technologies, Llc Systems and methods for measuring velocity of a particle/fluid mixture
KR101854945B1 (ko) 2010-12-17 2018-05-04 유니베이션 테크놀로지즈, 엘엘씨 폴리올레핀 퍼지 기체 생성물로부터 탄화수소를 회수하기 위한 시스템 및 방법
CN103347905B (zh) 2010-12-22 2015-12-16 尤尼威蒂恩技术有限责任公司 用于聚烯烃聚合方法的添加剂
CN103402636B (zh) 2011-01-14 2016-12-14 格雷斯公司 制造改性金属茂催化剂的方法、制成的催化剂及其用途
WO2013028283A1 (en) 2011-08-19 2013-02-28 Univation Technologies, Llc Catalyst systems and methods for using same to produce polyolefin products
WO2013070602A1 (en) 2011-11-08 2013-05-16 Univation Technologies, Llc Methods for producing polyolefins with catalyst systems
ES2752139T3 (es) 2012-03-05 2020-04-03 Univation Tech Llc Métodos para preparar composiciones de catalizador y productos poliméricos producidos a partir de las mismas
MX363101B (es) 2012-11-26 2019-03-08 Braskem Sa Catalizador de metaloceno soportado por medios de soporte hibridos, procesos para producir el mismo, procesos de polimerizacion para producir un homopolimero o copolimero de etileno con distribucion de masa molar amplia o bimodal, uso del catalizador de metaloceno soportado y polimero de etileno con distribucion de masa molar amplia o bimodal.
CA2800056A1 (en) 2012-12-24 2014-06-24 Nova Chemicals Corporation Polyethylene blend compositions
ES2918582T3 (es) 2012-12-28 2022-07-19 Univation Tech Llc Catalizador soportado con fluidez mejorada
EP2953985B1 (en) 2013-02-07 2023-06-07 Univation Technologies, LLC Preparation of polyolefin
ES2644669T3 (es) 2013-03-15 2017-11-29 Univation Technologies, Llc Ligandos para catalizadores
US9644053B2 (en) 2013-03-15 2017-05-09 Univation Technologies, Llc Tridentate nitrogen based ligands for olefin polymerisation catalysts
CN105308007B (zh) 2013-06-05 2017-07-21 尤尼威蒂恩技术有限责任公司 保护酚基
WO2016028276A1 (en) 2014-08-19 2016-02-25 Univation Technologies, Llc Fluorinated catalyst supports and catalyst systems
EP3183058A1 (en) 2014-08-19 2017-06-28 Univation Technologies, LLC Fluorinated catalyst supports and catalyst systems
EP3183059A1 (en) 2014-08-19 2017-06-28 Univation Technologies, LLC Fluorinated catalyst supports and catalyst systems
SG11201705607QA (en) 2015-01-21 2017-08-30 Univation Tech Llc Methods for controlling polymer chain scission
SG11201705576YA (en) 2015-01-21 2017-08-30 Univation Tech Llc Methods for gel reduction in polyolefins
RU2736937C2 (ru) 2015-05-08 2020-11-23 Эксонмобил Кемикэл Пейтентс Инк. Способ полимеризации
WO2018063764A1 (en) 2016-09-27 2018-04-05 Exxonmobil Chemical Patents Inc. Polymerization process
CA3038149C (en) 2016-09-27 2023-08-22 Univation Technologies, Llc Method for long chain branching control in polyethylene production
WO2018063765A1 (en) 2016-09-27 2018-04-05 Exxonmobil Chemical Patents Inc. Polymerization process
WO2018063767A1 (en) 2016-09-27 2018-04-05 Exxonmobil Chemical Patents Inc. Polymerization process
WO2018118155A1 (en) 2016-12-20 2018-06-28 Exxonmobil Chemical Patents Inc. Polymerization process
SG11201907244SA (en) 2017-02-07 2019-09-27 Exxonmobil Chemical Patents Inc Processes for reducing the loss of catalyst activity of a ziegler-natta catalyst
WO2018191000A1 (en) 2017-04-10 2018-10-18 Exxonmobil Chemicl Patents Inc. Methods for making polyolefin polymer compositions
BR112019023691B1 (pt) 2017-05-10 2023-01-31 Univation Technologies Llc Sistema de catalisador e processo de polimerização para a produção de uma composição de poliolefina
WO2019118073A1 (en) 2017-12-13 2019-06-20 Exxonmobil Chemical Patents Inc. Deactivation methods for active components from gas phase polyolefin polymerization process
WO2019173030A1 (en) 2018-03-08 2019-09-12 Exxonmobil Chemical Patents Inc. Methods of preparing and monitoring a seed bed for polymerization reactor startup
WO2019213227A1 (en) 2018-05-02 2019-11-07 Exxonmobil Chemical Patents Inc. Methods for scale-up from a pilot plant to a larger production facility
WO2019217173A1 (en) 2018-05-02 2019-11-14 Exxonmobil Chemical Patents Inc. Methods for scale-up from a pilot plant to a larger production facility
US20230220136A1 (en) 2020-07-22 2023-07-13 Exxonmobil Chemical Patents Inc. Polyolefin Compositions and Articles Thereof
US20230406973A1 (en) 2020-12-08 2023-12-21 Exxonmobil Chemical Patents Inc. High density polyethylene compositions with long-chain branching

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA844157B (en) † 1983-06-06 1986-01-29 Exxon Research Engineering Co Process and catalyst for polyolefin density and molecular weight control
US4808561A (en) * 1985-06-21 1989-02-28 Exxon Chemical Patents Inc. Supported polymerization catalyst
CA1268754A (en) † 1985-06-21 1990-05-08 Howard Curtis Welborn, Jr. Supported polymerization catalyst
US4659685A (en) * 1986-03-17 1987-04-21 The Dow Chemical Company Heterogeneous organometallic catalysts containing a supported titanium compound and at least one other supported organometallic compound
US5241025A (en) * 1987-01-30 1993-08-31 Exxon Chemical Patents Inc. Catalyst system of enhanced productivity
US5008228A (en) * 1988-03-29 1991-04-16 Exxon Chemical Patents Inc. Method for preparing a silica gel supported metallocene-alumoxane catalyst
US4871705A (en) * 1988-06-16 1989-10-03 Exxon Chemical Patents Inc. Process for production of a high molecular weight ethylene a-olefin elastomer with a metallocene alumoxane catalyst
US5064802A (en) * 1989-09-14 1991-11-12 The Dow Chemical Company Metal complex compounds
DE69114087T2 (de) * 1990-08-21 1996-04-11 Nippon Oil Co Ltd Polyolefine.
DE4121368A1 (de) * 1991-06-28 1993-01-07 Hoechst Ag Katalysator und verfahren zur herstellung von hochmolekularen polyolefinen
EP0611377B1 (en) * 1991-11-07 2001-08-01 ExxonMobil Chemical Patents Inc. Process for producing polyolefin
US5162466A (en) * 1991-12-31 1992-11-10 Union Carbide Chemicals & Plastics Technology Corporation Use of methylene-bridged derivatives of cyclopentadienyl dicarbollide complexes of titanium, zirconium and hafnium as polymerization catalysts
US5214173A (en) * 1991-12-31 1993-05-25 The University Of Iowa Research Foundation Cyclopentadienyl dicarbollide complexes of titanium, zirconium and hafnium

Also Published As

Publication number Publication date
ES2171184T5 (es) 2005-09-16
DE69525042T2 (de) 2002-08-14
DE69525042T3 (de) 2005-10-20
EP0746574A1 (en) 1996-12-11
JPH09508935A (ja) 1997-09-09
US5639835A (en) 1997-06-17
EP0746574B2 (en) 2005-04-13
DE69525042D1 (de) 2002-02-21
EP0746574B1 (en) 2002-01-16
CA2183102A1 (en) 1995-08-17
JP3553957B2 (ja) 2004-08-11
WO1995021874A1 (en) 1995-08-17
CA2183102C (en) 2005-08-23

Similar Documents

Publication Publication Date Title
ES2171184T3 (es) Sistemas cataliticos de polimerizacion, su produccion y uso.
ES2132744T3 (es) Sistemas cataliticos de polimerizacion, su produccion y uso.
ES2194924T3 (es) Sistemas cataliticos de polimerizacion, su produccion y uso.
ES2135771T3 (es) Sistemas cataliticos de polimerizacion, su produccion y su uso.
ES2139094T3 (es) Componentes cataliticos puenteados de amido-siladiilo, metodo de fabricacion y uso.
ES2135966T3 (es) Polimerizacion de olefinas.
BR9810857A (pt) Composto quìmico, processos para a preparação do mesmo, e para a preparação de uma poliolefina, sistema catalisador, e, uso do mesmo
ES2048871T3 (es) Catalizadores para la polimerizacion de olefinas.
ES2195970T3 (es) L-ribavirina y usos de la misma.
AR002292A1 (es) Espuma de poliuretano flexible, proceso para su preparacion y sistema de reaccion.
ES2133888T3 (es) Solido catalitico para la (co)polimerizacion de etileno, procedimiento para su preparacion, sistema catalitico para la (co)polimerizacion de etileno y procedimiento de (co)polimerizacion de etileno.
FI955687A0 (fi) Tuettuja metalloseeni-katalyytti-järjestelmiä olefiinien polymeroimista varten, niiden valmistus ja käyttö
BR9808827B1 (pt) processo para a preparação de indanonas, e, uso de uma indanona.
ES2152653T3 (es) Cocatalizador de metaloceno.
FI963081A7 (fi) Kahden donorin katalysaattorisysteemi olefiinien polymeroimiseksi
ES2118585T3 (es) Procedimiento para la transicion entre catalizadores de polimerizacion incompatibles.
DE59706545D1 (de) Druckregelvorrichtung für elektropneumatische Bremsanlagen von Fahrzeugen, insbesondere Nutzfahrzeugen
ES2163649T3 (es) Catalizadores para la realizacion de reacciones de acoplamiento cruzado.
ES2180680T3 (es) Procedimiento para la purificacion de factor vii y factor vii activado.
DE69705186D1 (de) Katalysatorsysteme für die (Co)Polymerisation von Alpha-Olefinen
FI962087L (fi) Olefiinien polymerointiin tarkoitettu stereospesifinen katalyyttisysteemi ja monivaiheiset polymerointiprosessit, joissa tätä systeemiä käytetään
ES2145946T3 (es) Producto organoaluminoxi, sistemas cataliticos, preparacion y uso.
SE8503201D0 (sv) Rostomvandlings- och rostskyddsmedel
BR0107604A (pt) Pró-catalisador sólido, sistema catalisador, e, processo para a polimerização de pelo menos uma ou mais olefinas
DE59100794D1 (de) Kombinierter Betriebsbrems- und Federspeicherbremszylinder für Bremsanlagen von Fahrzeugen, insbesondere Nutzfahrzeugen.

Legal Events

Date Code Title Description
FG2A Definitive protection

Ref document number: 746574

Country of ref document: ES