DE69523308T2 - Polymerisationskatalysatorsystem, ihre herstellung und verwendung - Google Patents
Polymerisationskatalysatorsystem, ihre herstellung und verwendungInfo
- Publication number
- DE69523308T2 DE69523308T2 DE69523308T DE69523308T DE69523308T2 DE 69523308 T2 DE69523308 T2 DE 69523308T2 DE 69523308 T DE69523308 T DE 69523308T DE 69523308 T DE69523308 T DE 69523308T DE 69523308 T2 DE69523308 T2 DE 69523308T2
- Authority
- DE
- Germany
- Prior art keywords
- catalyst system
- production
- polymerization catalyst
- polymerization process
- 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.)
- Revoked
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F17/00—Metallocenes
-
- 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
- C08F210/00—Copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
- C08F210/16—Copolymers of ethene with alpha-alkenes, e.g. EP rubbers
-
- 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
- C08F4/65908—Component covered by group C08F4/64 containing a transition metal-carbon bond in combination with an ionising compound other than alumoxane, e.g. (C6F5)4B-X+
-
- 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
- C08F4/65912—Component covered by group C08F4/64 containing a transition metal-carbon bond in combination with an organoaluminium compound
-
- 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
- Y10S526/943—Polymerization with metallocene catalysts
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US26553394A | 1994-06-24 | 1994-06-24 | |
US41281095A | 1995-03-29 | 1995-03-29 | |
PCT/US1995/007910 WO1996000245A1 (en) | 1994-06-24 | 1995-06-21 | Polymerization catalyst systems, their production and use |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69523308D1 DE69523308D1 (de) | 2001-11-22 |
DE69523308T2 true DE69523308T2 (de) | 2002-07-11 |
Family
ID=26951270
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69523308T Revoked DE69523308T2 (de) | 1994-06-24 | 1995-06-21 | Polymerisationskatalysatorsystem, ihre herstellung und verwendung |
Country Status (12)
Country | Link |
---|---|
US (1) | US5863853A (de) |
EP (1) | EP0766702B1 (de) |
JP (1) | JP3699479B2 (de) |
KR (1) | KR100376405B1 (de) |
CN (1) | CN1119355C (de) |
AT (1) | ATE207085T1 (de) |
AU (1) | AU686836B2 (de) |
CA (1) | CA2193410C (de) |
DE (1) | DE69523308T2 (de) |
ES (1) | ES2165425T3 (de) |
RU (1) | RU2167883C2 (de) |
WO (1) | WO1996000245A1 (de) |
Families Citing this family (68)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6090740A (en) * | 1996-02-08 | 2000-07-18 | Exxon Chemical Patents Inc. | Supported metallocene catalyst systems |
US6759499B1 (en) | 1996-07-16 | 2004-07-06 | Exxonmobil Chemical Patents Inc. | Olefin polymerization process with alkyl-substituted metallocenes |
US5847059A (en) * | 1996-12-20 | 1998-12-08 | Fina Technology, Inc. | Catalyst yield from supported metallocene catalysts |
EP0853091A1 (de) * | 1997-01-13 | 1998-07-15 | Bp Chemicals S.N.C. | Verfahren zur Polymerisation |
ES2187005T3 (es) | 1997-02-07 | 2003-05-16 | Exxonmobil Chem Patents Inc | Polimeros de propileno que incorporan macromeros de polietileno. |
US6441116B1 (en) | 1997-09-03 | 2002-08-27 | Idemitsu Kosan Co., Ltd. | Ethylenic copolymer, composition containing said copolymer, and ethylenic copolymer film |
US6184327B1 (en) | 1997-12-10 | 2001-02-06 | Exxon Chemical Patents, Inc. | Elastomeric propylene polymers |
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 |
DE19758306B4 (de) * | 1997-12-31 | 2005-06-09 | Basell Polyolefine Gmbh | Katalysator für die Polyolefinsynthese |
US6154501A (en) * | 1998-02-04 | 2000-11-28 | Friedman; Robert F. | Method and apparatus for combining transponders on multiple satellites into virtual channels |
US6511936B1 (en) * | 1998-02-12 | 2003-01-28 | University Of Delaware | Catalyst compounds with β-diminate anionic ligands and processes for polymerizing olefins |
US6166152A (en) * | 1998-02-26 | 2000-12-26 | Phillips Petroleum Company | Process to produce low density polymer in a loop reactor |
EP0939087A3 (de) | 1998-02-27 | 2003-04-16 | Chisso Corporation | Katalysator für die (Co)polymerisierung von Olefine und Verfahren zur Herstellung von Olefin (Co)polymerisate |
KR100342541B1 (ko) * | 1998-04-16 | 2002-06-28 | 나까니시 히로유끼 | 올레핀 중합촉매 및 중합방법 |
US6784269B2 (en) | 1998-05-13 | 2004-08-31 | Exxonmobil Chemical Patents Inc. | Polypropylene compositions methods of making the same |
US6306960B1 (en) | 1998-05-13 | 2001-10-23 | Exxonmobil Chemical Patents Inc. | Articles formed from foamable polypropylene polymer |
EP1078009B1 (de) | 1998-05-13 | 2004-06-16 | ExxonMobil Chemical Patents Inc. | Propylenhomopolymere und herstellungsverfahren |
US6207606B1 (en) | 1998-05-15 | 2001-03-27 | Univation Technologies, Llc | Mixed catalysts and their use in a polymerization process |
DE19826743A1 (de) | 1998-06-16 | 1999-12-23 | Bayer Ag | Verfahren zur Herstellung von geträgerten Polymerisationskatalysatorsystemen und Verwendung dieser zur Homo- und Copolymerisation ungesättigter Monomere |
CA2341167A1 (en) | 1998-08-26 | 2000-03-09 | Exxon Chemical Patents Inc. | Branched polypropylene compositions |
KR100368184B1 (ko) * | 1998-12-11 | 2003-01-30 | 미쓰이 가가쿠 가부시키가이샤 | 올레핀 중합용 촉매 및 올레핀의 중합 방법 |
DE60014376T2 (de) * | 1999-02-22 | 2005-02-24 | Eastman Chemical Co., Kingsport | Katalysatoren, die n-pyrrolylsubstituierte stickstoffdonoren enthalten |
US6545108B1 (en) | 1999-02-22 | 2003-04-08 | Eastman Chemical Company | Catalysts containing N-pyrrolyl substituted nitrogen donors |
US6313236B1 (en) | 1999-03-30 | 2001-11-06 | Eastman Chemical Company | Process for producing polyolefins |
US6288181B1 (en) | 1999-03-30 | 2001-09-11 | Eastman Chemical Company | Process for producing polyolefins |
US6174930B1 (en) | 1999-04-16 | 2001-01-16 | Exxon Chemical Patents, Inc. | Foamable polypropylene polymer |
US6417298B1 (en) | 1999-06-07 | 2002-07-09 | Eastman Chemical Company | Process for producing ethylene/olefin interpolymers |
US6417299B1 (en) | 1999-06-07 | 2002-07-09 | Eastman Chemical Company | Process for producing ethylene/olefin interpolymers |
US6417301B1 (en) | 1999-06-07 | 2002-07-09 | Eastman Chemical Company | Process for producing ethylene/olefin interpolymers |
JP4566305B2 (ja) * | 1999-08-31 | 2010-10-20 | 日本ポリプロ株式会社 | メタロセン化合物由来成分を含有する溶剤の精製方法 |
US6187879B1 (en) | 1999-08-31 | 2001-02-13 | Eastman Chemical Company | Process for producing polyolefins |
CN1367797A (zh) | 1999-08-31 | 2002-09-04 | 伊斯曼化学公司 | 聚烯烃生产方法 |
DE60006146T2 (de) | 1999-11-04 | 2004-09-30 | Exxonmobil Chemical Patents Inc., Baytown | Propylencopolymerschäume und deren verwendung |
US7041617B2 (en) | 2004-01-09 | 2006-05-09 | Chevron Phillips Chemical Company, L.P. | Catalyst compositions and polyolefins for extrusion coating applications |
US6605677B2 (en) | 2000-02-18 | 2003-08-12 | Eastman Chemical Company | Olefin polymerization processes using supported catalysts |
US20040127658A1 (en) * | 2000-02-18 | 2004-07-01 | Eastman Chemical Company | Productivity catalysts and microstructure control |
US7056996B2 (en) * | 2000-02-18 | 2006-06-06 | E. I. Du Pont De Nemours And Company | Productivity catalysts and microstructure control |
US6579823B2 (en) * | 2000-02-18 | 2003-06-17 | Eastman Chemical Company | Catalysts containing per-ortho aryl substituted aryl or heteroaryl substituted nitrogen donors |
US6689928B2 (en) | 2000-04-04 | 2004-02-10 | Exxonmobil Research And Engineering Company | Transition metal complexes and oligomers therefrom |
US6501000B1 (en) | 2000-04-04 | 2002-12-31 | Exxonmobil Research And Engineering Company | Late transition metal catalyst complexes and oligomers therefrom |
US6706891B2 (en) | 2000-11-06 | 2004-03-16 | Eastman Chemical Company | Process for the preparation of ligands for olefin polymerization catalysts |
US6914027B2 (en) | 2000-12-01 | 2005-07-05 | Univation Technologies, Llc | Polymerization reactor operability using static charge modifier agents |
EP1421090B1 (de) | 2001-06-29 | 2014-03-26 | ExxonMobil Chemical Patents Inc. | Metallocene und diese enthaltende katalysatorzusammensetzungen |
US6884749B2 (en) | 2002-10-17 | 2005-04-26 | Equistar Chemicals L.P. | Supported catalysts which reduce sheeting in olefin polymerization, process for the preparation and the use thereof |
WO2004037404A1 (en) * | 2002-10-24 | 2004-05-06 | Exxonmobil Chemical Patents Inc. | Inlet distribution device for upflow polymerization reactors |
CN100351275C (zh) | 2003-03-21 | 2007-11-28 | 陶氏环球技术公司 | 形态控制的烯烃聚合方法 |
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 |
DE102004020525A1 (de) * | 2004-04-26 | 2005-11-10 | Basell Polyolefine Gmbh | Katalysatorsystem zur Olefinpolymerisation, dessen Herstellung und Verwendung |
EP1786499A2 (de) * | 2004-07-19 | 2007-05-23 | Broncus Technologies, Inc. | Verfahren und vorrichtungen zur aufrechterhaltung der durchgängigkeit von chirurgisch erzeugten kanälen in einem körperorgan |
EP1731536A1 (de) | 2005-06-09 | 2006-12-13 | Innovene Manufacturing France SAS | Unterstützte Polymerisationskatalysatoren |
GB0610667D0 (en) | 2006-05-30 | 2006-07-05 | Nova Chem Int Sa | Supported polymerization catalysts |
BRPI0712945B1 (pt) * | 2006-06-27 | 2018-05-08 | Univation Tech Llc | Processo para a produção de um Copolímero de Etileno Alfa- Olefina |
KR101299375B1 (ko) | 2006-06-27 | 2013-08-22 | 유니베이션 테크놀로지즈, 엘엘씨 | 에틸렌-알파 올레핀 공중합체 및 이의 중합 제조 방법 |
RU2446179C2 (ru) | 2006-06-27 | 2012-03-27 | ЮНИВЕЙШН ТЕКНОЛОДЖИЗ, ЭлЭлСи | Усовершенствованные способы полимеризации с использованием металлоценовых катализаторов, полимерные продукты и их применение |
TW200932762A (en) | 2007-10-22 | 2009-08-01 | Univation Tech Llc | Polyethylene compositions having improved properties |
EP2382246B1 (de) | 2009-01-23 | 2013-08-14 | Evonik Oxeno GmbH | Polyolefin-gasphasenpolymerisation mit 3-substituiertem c4-10-alken |
WO2010084047A1 (en) | 2009-01-23 | 2010-07-29 | Evonik Oxeno Gmbh | Pe mib slurry polymerization |
SG173101A1 (en) | 2009-01-23 | 2011-08-29 | Evonik Oxeno Gmbh | Film |
EP2465876A1 (de) | 2010-12-15 | 2012-06-20 | INEOS Manufacturing Belgium NV | Aktivierung von Trägern |
CA2824771A1 (en) | 2011-01-14 | 2012-07-19 | W.R. Grace & Co.-Conn. | Process of making modified metallocene catalyst, catalyst produced and use thereof |
EP2665754A1 (de) | 2011-01-20 | 2013-11-27 | Ineos Commercial Services UK Limited | Aktivierung von stützen |
CN104105722B (zh) | 2011-12-14 | 2016-11-09 | 英尼奥斯欧洲股份公司 | 聚合物 |
GB2498936A (en) | 2012-01-31 | 2013-08-07 | Norner Innovation As | Polyethylene with multi-modal molecular weight distribution |
US10647786B2 (en) | 2015-04-20 | 2020-05-12 | Exxonmobil Chemical Patents, Inc. | Supported catalyst systems and processes for use thereof |
CN107636027B (zh) | 2015-04-20 | 2023-01-03 | 埃克森美孚化学专利公司 | 负载催化剂体系及其使用方法 |
WO2022010622A1 (en) | 2020-07-07 | 2022-01-13 | Exxonmobil Chemical Patents Inc. | Processes for making 3-d objects from blends of polyethylene and polar polymers |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4048423A (en) * | 1974-03-21 | 1977-09-13 | Pennwalt Corporation | Process for polymerizing unsaturated monomers and unsaturated polyester resins employing unsymmetrical tertiary-aliphatic azoalkanes |
US4530914A (en) * | 1983-06-06 | 1985-07-23 | Exxon Research & Engineering Co. | Process and catalyst for producing polyethylene having a broad molecular weight distribution |
US4668823A (en) * | 1983-12-30 | 1987-05-26 | Union Carbide Corporation | Process for the preparation of bulky alkyldiarylphosphines and unsymmetrical aryldialkyl phosphines |
US4939217A (en) * | 1987-04-03 | 1990-07-03 | Phillips Petroleum Company | Process for producing polyolefins and polyolefin catalysts |
US5017714A (en) * | 1988-03-21 | 1991-05-21 | Exxon Chemical Patents Inc. | Silicon-bridged transition metal compounds |
US4914253A (en) * | 1988-11-04 | 1990-04-03 | Exxon Chemical Patents Inc. | Method for preparing polyethylene wax by gas phase polymerization |
US5274167A (en) * | 1989-01-26 | 1993-12-28 | Bayer Aktiengesellschaft | Polymeriable optically active (meth) acrylic acid derivatives |
US5057475A (en) * | 1989-09-13 | 1991-10-15 | Exxon Chemical Patents Inc. | Mono-Cp heteroatom containing group IVB transition metal complexes with MAO: supported catalyst for olefin polymerization |
US5240894A (en) * | 1992-05-18 | 1993-08-31 | Exxon Chemical Patents Inc. | Method for making and using a supported metallocene catalyst system |
JP3202349B2 (ja) * | 1992-09-22 | 2001-08-27 | 三菱化学株式会社 | 触媒組成物およびそれを用いるオレフィンの重合法 |
DE69312306T2 (de) * | 1992-10-02 | 1997-11-13 | Dow Chemical Co | Aufträger homogener komplexkatalysator für olefinpolymerisation |
US5602067A (en) * | 1992-12-28 | 1997-02-11 | Mobil Oil Corporation | Process and a catalyst for preventing reactor fouling |
US5332706A (en) * | 1992-12-28 | 1994-07-26 | Mobil Oil Corporation | Process and a catalyst for preventing reactor fouling |
CA2152937A1 (en) * | 1992-12-28 | 1994-07-07 | Subrahmanyam Cheruvu | Linear low density polyethylene film |
JPH09511003A (ja) * | 1994-03-25 | 1997-11-04 | モービル・オイル・コーポレーション | 線状低密度ポリエチレン |
-
1995
- 1995-06-21 EP EP95924038A patent/EP0766702B1/de not_active Revoked
- 1995-06-21 RU RU97101172/04A patent/RU2167883C2/ru not_active IP Right Cessation
- 1995-06-21 ES ES95924038T patent/ES2165425T3/es not_active Expired - Lifetime
- 1995-06-21 WO PCT/US1995/007910 patent/WO1996000245A1/en active Search and Examination
- 1995-06-21 KR KR1019960707373A patent/KR100376405B1/ko not_active IP Right Cessation
- 1995-06-21 DE DE69523308T patent/DE69523308T2/de not_active Revoked
- 1995-06-21 AU AU28703/95A patent/AU686836B2/en not_active Ceased
- 1995-06-21 JP JP50331196A patent/JP3699479B2/ja not_active Expired - Lifetime
- 1995-06-21 CN CN95194286A patent/CN1119355C/zh not_active Expired - Lifetime
- 1995-06-21 AT AT95924038T patent/ATE207085T1/de active
- 1995-06-21 CA CA002193410A patent/CA2193410C/en not_active Expired - Fee Related
-
1997
- 1997-02-24 US US08/804,596 patent/US5863853A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
ATE207085T1 (de) | 2001-11-15 |
AU2870395A (en) | 1996-01-19 |
DE69523308D1 (de) | 2001-11-22 |
WO1996000245A1 (en) | 1996-01-04 |
EP0766702B1 (de) | 2001-10-17 |
JP3699479B2 (ja) | 2005-09-28 |
RU2167883C2 (ru) | 2001-05-27 |
CA2193410C (en) | 2005-06-07 |
JPH10502395A (ja) | 1998-03-03 |
ES2165425T3 (es) | 2002-03-16 |
CA2193410A1 (en) | 1996-01-04 |
KR100376405B1 (ko) | 2003-11-28 |
CN1165524A (zh) | 1997-11-19 |
EP0766702A1 (de) | 1997-04-09 |
AU686836B2 (en) | 1998-02-12 |
US5863853A (en) | 1999-01-26 |
CN1119355C (zh) | 2003-08-27 |
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