FI112244B - Katalyyttikantaja ja katalyytti alfa-olefiinien polymerointia varten, menetelmiä niiden valmistamiseksi ja alfa-olefiinien polymerointi tämän katalyytin läsnäollessa - Google Patents
Katalyyttikantaja ja katalyytti alfa-olefiinien polymerointia varten, menetelmiä niiden valmistamiseksi ja alfa-olefiinien polymerointi tämän katalyytin läsnäollessa Download PDFInfo
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- FI112244B FI112244B FI942427A FI942427A FI112244B FI 112244 B FI112244 B FI 112244B FI 942427 A FI942427 A FI 942427A FI 942427 A FI942427 A FI 942427A FI 112244 B FI112244 B FI 112244B
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- Prior art keywords
- compound
- catalytic
- polymerization
- catalyst
- titanium
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- 239000003054 catalyst Substances 0.000 title claims abstract description 94
- 239000004711 α-olefin Substances 0.000 title claims abstract description 37
- 238000006116 polymerization reaction Methods 0.000 title claims description 51
- 238000002360 preparation method Methods 0.000 title claims description 32
- 238000000034 method Methods 0.000 title claims description 24
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- 229910052723 transition metal Inorganic materials 0.000 claims abstract 2
- 150000003624 transition metals Chemical group 0.000 claims abstract 2
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- GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
- PXXNTAGJWPJAGM-UHFFFAOYSA-N vertaline Natural products C1C2C=3C=C(OC)C(OC)=CC=3OC(C=C3)=CC=C3CCC(=O)OC1CC1N2CCCC1 PXXNTAGJWPJAGM-UHFFFAOYSA-N 0.000 description 1
- 229920001567 vinyl ester resin Polymers 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000004876 x-ray fluorescence Methods 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 150000003754 zirconium Chemical class 0.000 description 1
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
- C08F4/02—Carriers therefor
- C08F4/027—Polymers
-
- 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
- C08F110/00—Homopolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
- C08F110/04—Monomers containing three or four carbon atoms
- C08F110/06—Propene
-
- 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
- C08F4/6592—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
- C08F4/65922—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 containing at least two cyclopentadienyl rings, fused or not
- C08F4/65925—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 containing at least two cyclopentadienyl rings, fused or not two cyclopentadienyl rings being mutually non-bridged
-
- 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
- Y10S526/908—Containing catalyst of specified particle size
-
- 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)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
- Catalysts (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BE9300539 | 1993-05-25 | ||
| BE9300539A BE1007040A3 (fr) | 1993-05-25 | 1993-05-25 | Support de catalyseur et catalyseur de polymerisation des alpha-olefines; procedes pour leur obtention et polymerisation des alpha-olefines en presence du catalyseur. |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| FI942427A0 FI942427A0 (fi) | 1994-05-25 |
| FI942427L FI942427L (fi) | 1994-11-26 |
| FI112244B true FI112244B (fi) | 2003-11-14 |
Family
ID=3887068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI942427A FI112244B (fi) | 1993-05-25 | 1994-05-25 | Katalyyttikantaja ja katalyytti alfa-olefiinien polymerointia varten, menetelmiä niiden valmistamiseksi ja alfa-olefiinien polymerointi tämän katalyytin läsnäollessa |
Country Status (24)
| Country | Link |
|---|---|
| US (4) | US5556893A (cs) |
| EP (1) | EP0627447B1 (cs) |
| JP (1) | JPH06329715A (cs) |
| KR (1) | KR100314793B1 (cs) |
| CN (1) | CN1078892C (cs) |
| AT (1) | ATE178617T1 (cs) |
| AU (1) | AU681125B2 (cs) |
| BE (1) | BE1007040A3 (cs) |
| BR (1) | BR9402065A (cs) |
| CA (1) | CA2124176A1 (cs) |
| CZ (1) | CZ289915B6 (cs) |
| DE (1) | DE69417621T2 (cs) |
| DK (1) | DK0627447T3 (cs) |
| ES (1) | ES2132322T3 (cs) |
| FI (1) | FI112244B (cs) |
| HU (1) | HU221058B1 (cs) |
| NO (1) | NO308168B1 (cs) |
| PH (1) | PH31214A (cs) |
| RO (1) | RO112875B1 (cs) |
| RU (1) | RU2131439C1 (cs) |
| SG (1) | SG54161A1 (cs) |
| SK (1) | SK281610B6 (cs) |
| TW (1) | TW294617B (cs) |
| ZA (1) | ZA943656B (cs) |
Families Citing this family (33)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE1007040A3 (fr) * | 1993-05-25 | 1995-02-28 | Solvay | Support de catalyseur et catalyseur de polymerisation des alpha-olefines; procedes pour leur obtention et polymerisation des alpha-olefines en presence du catalyseur. |
| FR2717816B1 (fr) | 1994-03-23 | 1996-04-26 | Atochem Elf Sa | Composante catalytique pour la polymérisation des oléfines obtenue par impregnation d'un prépolymère par une solution d'une composante catalytique. Prépolymère et polymère obtenus à partir de ladite composante catalytique. |
| US6300271B1 (en) * | 1998-05-18 | 2001-10-09 | Phillips Petroleum Company | Compositions that can produce polymers |
| WO1999060033A1 (en) * | 1998-05-18 | 1999-11-25 | Phillips Petroleum Company | Catalyst composition for polymerizing monomers |
| US6165929A (en) * | 1998-05-18 | 2000-12-26 | Phillips Petroleum Company | Compositions that can produce polymers |
| US6107230A (en) * | 1998-05-18 | 2000-08-22 | Phillips Petroleum Company | Compositions that can produce polymers |
| BE1012364A3 (fr) | 1998-12-22 | 2000-10-03 | Solvay | Procede pour la preparation d'une composition catalytique pour la polymerisation des alpha-olefines, composition catalytique obtenue et procede de polymerisation utilisant une telle composition catalytique |
| BE1012363A3 (fr) * | 1998-12-22 | 2000-10-03 | Solvay | Procede pour la preparation d'un catalyseur pour la polymerisation des alpha-olefines, catalyseur obtenu et procede de polymerisation utilisant un tel catalyseur. |
| BE1012568A3 (fr) * | 1999-03-24 | 2000-12-05 | Solvay | Procede pour la polymerisation des alphaolefines. |
| ITMI991552A1 (it) * | 1999-07-14 | 2001-01-14 | Licio Zambon | Componenti di catalizzatori per la polimerizzazione di olefine |
| US6403520B1 (en) | 1999-09-17 | 2002-06-11 | Saudi Basic Industries Corporation | Catalyst compositions for polymerizing olefins to multimodal molecular weight distribution polymer, processes for production and use of the catalyst |
| US6750302B1 (en) | 1999-12-16 | 2004-06-15 | Phillips Petroleum Company | Organometal catalyst compositions |
| WO2002051887A2 (en) * | 2000-12-22 | 2002-07-04 | Basell Poliolefine Italia S.P.A. | Process for the preparation of porous polymers and polymers obtainable thereof |
| EP1231224B1 (en) * | 2001-02-07 | 2004-08-11 | Saudi Basic Industries Corporation | Catalyst composition for polymerization of olefins and method for preparing the same |
| EP1448625A1 (en) * | 2001-11-27 | 2004-08-25 | Basell Poliolefine Italia S.p.A. | Porous polymers of propylene |
| WO2003046022A1 (en) * | 2001-11-27 | 2003-06-05 | Basell Polyolefine Gmbh | Process for the treatment of polymer compositions |
| EP1456007A1 (en) * | 2001-12-19 | 2004-09-15 | Pirelli Pneumatici S.p.A. | Elastomeric semifinished product for the production of a tyre liner, and tyre provided with said liner |
| US20040005445A1 (en) * | 2002-07-02 | 2004-01-08 | Ou Yang David T. | Colored multi-layer films and decorative articles made therefrom |
| EP1380601B1 (en) * | 2002-07-12 | 2005-05-25 | Saudi Basic Industries Corporation | Supported Ziegler - metallocene catalyst composition and process for olefin polymerization and olefin copolymerization with alpha olefins using novel catalyst systems |
| US7700707B2 (en) | 2002-10-15 | 2010-04-20 | Exxonmobil Chemical Patents Inc. | Polyolefin adhesive compositions and articles made therefrom |
| US7550528B2 (en) | 2002-10-15 | 2009-06-23 | Exxonmobil Chemical Patents Inc. | Functionalized olefin polymers |
| CN101838362B (zh) | 2002-10-15 | 2012-11-28 | 埃克森美孚化学专利公司 | 聚烯烃粘合剂组合物和由其制成的制品 |
| US7223822B2 (en) | 2002-10-15 | 2007-05-29 | Exxonmobil Chemical Patents Inc. | Multiple catalyst and reactor system for olefin polymerization and polymers produced therefrom |
| US7541402B2 (en) | 2002-10-15 | 2009-06-02 | Exxonmobil Chemical Patents Inc. | Blend functionalized polyolefin adhesive |
| US6933353B2 (en) * | 2003-07-07 | 2005-08-23 | Equistar Chemicals, Lp | Olefin polymerization process |
| EP1664137A1 (en) * | 2003-09-11 | 2006-06-07 | Basell Polyolefine GmbH | Multistep process for preparing heterophasic propylene copolymers |
| RU2304202C1 (ru) * | 2005-12-15 | 2007-08-10 | Государственное образовательное учреждение высшего профессионального образования Московский государственный строительный университет | Теплоизоляционная модульная конструкция |
| KR102063911B1 (ko) * | 2011-09-05 | 2020-01-08 | 피티티 글로벌 케미칼 피씨엘 | 보론 함유 실리카 지지체를 포함하는 고활성 올레핀 중합 촉매 및 그의 제조 방법 |
| US8937139B2 (en) | 2012-10-25 | 2015-01-20 | Chevron Phillips Chemical Company Lp | Catalyst compositions and methods of making and using same |
| US8895679B2 (en) | 2012-10-25 | 2014-11-25 | Chevron Phillips Chemical Company Lp | Catalyst compositions and methods of making and using same |
| US8877672B2 (en) | 2013-01-29 | 2014-11-04 | Chevron Phillips Chemical Company Lp | Catalyst compositions and methods of making and using same |
| US9034991B2 (en) | 2013-01-29 | 2015-05-19 | Chevron Phillips Chemical Company Lp | Polymer compositions and methods of making and using same |
| CN114591455B (zh) * | 2020-12-03 | 2023-10-31 | 中国石油天然气股份有限公司 | 催化剂及其制备方法、烯烃聚合催化剂体系 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4098979A (en) * | 1970-12-29 | 1978-07-04 | Sumitomo Chemical Company, Limited | Method for preparing easily processable polyolefin granule |
| BE791676A (fr) * | 1971-12-08 | 1973-05-21 | Solvay | Procédé pour la polymérisation des oléfines |
| LU65954A1 (cs) * | 1972-08-25 | 1974-03-07 | ||
| SU492298A1 (ru) | 1973-07-24 | 1975-11-25 | Институт нефтехимического синтеза им.А.В.Топчиева АН СССР | Катализатор дл полимеризации и сополимеризации этилена, -олефинов и сопр женных и несопр женных диенов |
| US4161462A (en) * | 1973-07-24 | 1979-07-17 | Bocharov Jury N | Catalyst for (co) polymerization of ethylene, aplha-olefines, conjugated and non-conjugated dienes, a method of preparing same |
| GB1554444A (en) * | 1976-07-09 | 1979-10-24 | Ici Ltd | Polymerization of -olefin monomers |
| LU77489A1 (cs) * | 1977-06-06 | 1979-01-19 | ||
| DE3026762C2 (de) * | 1980-07-15 | 1985-04-25 | Akzo Gmbh, 5600 Wuppertal | Verfahren zum Herstellen von porösem, pulverförmigem Polypropylen und Verwendung der Verfahrensprodukte |
| FR2567526B1 (fr) * | 1984-07-13 | 1987-02-06 | Atochem | Procede de preparation d'une nouvelle composante de metal de transition sur support polymere pour un systeme catalytique de polymerisation d'olefines |
| DE3671022D1 (de) * | 1985-06-11 | 1990-06-13 | Mitsubishi Petrochemical Co | Katalysatorbestandteil zur polymerisation von olefinen. |
| US5641843A (en) * | 1985-12-24 | 1997-06-24 | Mitsui Petrochemical Industries, Ltd. | Process for polymerization of alpha-olefins |
| US4900706A (en) * | 1987-03-17 | 1990-02-13 | Sumitomo Chemical Company, Limited | Process for producing olefin polymers and catalyst used therein |
| JPH072798B2 (ja) * | 1987-10-28 | 1995-01-18 | 住友化学工業株式会社 | オレフィン重合用固体触媒成分 |
| IT1217744B (it) * | 1988-05-31 | 1990-03-30 | Himont Inc | Componenti e catalizzatori per la polimerizzazione di olefine |
| SU1654300A1 (ru) * | 1989-01-09 | 1991-06-07 | Институт нефтехимического синтеза им.А.В.Топчиева | Способ получени полимера-носител дл гель-иммобилизованных металлокомплексных каталитических систем |
| US5236962A (en) * | 1989-04-28 | 1993-08-17 | Himont Incorporated | Crystalline propylene polymers and copolymers in the form of spherical particles at high porosity |
| SG42868A1 (en) * | 1989-05-08 | 1997-10-17 | Sumitomo Chemical Co | Process for producing solid catalyst for use in polymerization of olefins |
| BE1003968A3 (fr) * | 1990-11-08 | 1992-07-28 | Solvay | Solide catalytique utilisable pour la polymerisation stereospecifique des alpha-olefines, procede pour le preparer et procede pour polymeriser des alpha-olefines en sa presence |
| JP3124317B2 (ja) * | 1991-06-28 | 2001-01-15 | 三菱化学株式会社 | オレフィン重合用触媒 |
| EP0522581B1 (en) * | 1991-07-11 | 1997-10-15 | Idemitsu Kosan Company Limited | Process for producing olefin based polymers and olefin polymerization catalyst |
| EP0598543B1 (en) * | 1992-11-10 | 1997-01-15 | Mitsubishi Chemical Corporation | Method for producing Alpha-olefin polymers |
| BE1007040A3 (fr) * | 1993-05-25 | 1995-02-28 | Solvay | Support de catalyseur et catalyseur de polymerisation des alpha-olefines; procedes pour leur obtention et polymerisation des alpha-olefines en presence du catalyseur. |
-
1993
- 1993-05-25 BE BE9300539A patent/BE1007040A3/fr not_active IP Right Cessation
-
1994
- 1994-05-18 AT AT94201398T patent/ATE178617T1/de not_active IP Right Cessation
- 1994-05-18 SG SG9602913A patent/SG54161A1/en unknown
- 1994-05-18 EP EP94201398A patent/EP0627447B1/fr not_active Expired - Lifetime
- 1994-05-18 DK DK94201398T patent/DK0627447T3/da active
- 1994-05-18 ES ES94201398T patent/ES2132322T3/es not_active Expired - Lifetime
- 1994-05-18 DE DE69417621T patent/DE69417621T2/de not_active Expired - Fee Related
- 1994-05-21 TW TW083104605A patent/TW294617B/zh active
- 1994-05-23 AU AU63225/94A patent/AU681125B2/en not_active Ceased
- 1994-05-24 CA CA002124176A patent/CA2124176A1/fr not_active Abandoned
- 1994-05-24 SK SK605-94A patent/SK281610B6/sk unknown
- 1994-05-24 RO RO94-00860A patent/RO112875B1/ro unknown
- 1994-05-24 RU RU94017846A patent/RU2131439C1/ru not_active IP Right Cessation
- 1994-05-24 CZ CZ19941270A patent/CZ289915B6/cs not_active IP Right Cessation
- 1994-05-24 NO NO941923A patent/NO308168B1/no unknown
- 1994-05-24 BR BR9402065A patent/BR9402065A/pt not_active IP Right Cessation
- 1994-05-24 US US08/248,218 patent/US5556893A/en not_active Expired - Fee Related
- 1994-05-25 ZA ZA943656A patent/ZA943656B/xx unknown
- 1994-05-25 FI FI942427A patent/FI112244B/fi not_active IP Right Cessation
- 1994-05-25 JP JP6111151A patent/JPH06329715A/ja active Pending
- 1994-05-25 KR KR1019940011401A patent/KR100314793B1/ko not_active Expired - Fee Related
- 1994-05-25 HU HU9401573A patent/HU221058B1/hu not_active IP Right Cessation
- 1994-05-25 PH PH48339A patent/PH31214A/en unknown
- 1994-05-25 CN CN94108104A patent/CN1078892C/zh not_active Expired - Fee Related
-
1996
- 1996-04-09 US US08/629,753 patent/US5756613A/en not_active Expired - Fee Related
-
1998
- 1998-01-16 US US09/008,068 patent/US6221802B1/en not_active Expired - Fee Related
-
2001
- 2001-03-08 US US09/800,491 patent/US6524986B2/en not_active Expired - Fee Related
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