NZ333877A - metal complex of a substituted indene derivative and use of the complex in an olefin polymerization process - Google Patents
metal complex of a substituted indene derivative and use of the complex in an olefin polymerization processInfo
- Publication number
- NZ333877A NZ333877A NZ333877A NZ33387797A NZ333877A NZ 333877 A NZ333877 A NZ 333877A NZ 333877 A NZ333877 A NZ 333877A NZ 33387797 A NZ33387797 A NZ 33387797A NZ 333877 A NZ333877 A NZ 333877A
- Authority
- NZ
- New Zealand
- Prior art keywords
- metal complex
- complex
- groups
- olefin polymerization
- independently
- Prior art date
Links
- 150000004696 coordination complex Chemical class 0.000 title abstract 3
- 150000001336 alkenes Chemical class 0.000 title abstract 2
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 title abstract 2
- 238000006116 polymerization reaction Methods 0.000 title abstract 2
- 125000003454 indenyl group Chemical class C1(C=CC2=CC=CC=C12)* 0.000 title 1
- 239000003446 ligand Substances 0.000 abstract 5
- 125000004122 cyclic group Chemical group 0.000 abstract 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract 2
- 125000000129 anionic group Chemical group 0.000 abstract 2
- 125000004429 atom Chemical group 0.000 abstract 2
- 125000001183 hydrocarbyl group Chemical group 0.000 abstract 2
- 125000004435 hydrogen atom Chemical group [H]* 0.000 abstract 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 abstract 1
- 239000002879 Lewis base Substances 0.000 abstract 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 abstract 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 abstract 1
- 239000005864 Sulphur Substances 0.000 abstract 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract 1
- 229910052796 boron Inorganic materials 0.000 abstract 1
- 239000003054 catalyst Substances 0.000 abstract 1
- 239000003426 co-catalyst Substances 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 abstract 1
- 229910052735 hafnium Inorganic materials 0.000 abstract 1
- 150000007527 lewis bases Chemical class 0.000 abstract 1
- 230000007935 neutral effect Effects 0.000 abstract 1
- 229910052757 nitrogen Inorganic materials 0.000 abstract 1
- 230000003647 oxidation Effects 0.000 abstract 1
- 238000007254 oxidation reaction Methods 0.000 abstract 1
- 239000001301 oxygen Substances 0.000 abstract 1
- 229910052760 oxygen Inorganic materials 0.000 abstract 1
- 230000000737 periodic effect Effects 0.000 abstract 1
- 229910052698 phosphorus Inorganic materials 0.000 abstract 1
- 239000011574 phosphorus Substances 0.000 abstract 1
- 229910052719 titanium Inorganic materials 0.000 abstract 1
- 229910052726 zirconium Inorganic materials 0.000 abstract 1
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
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F7/00—Compounds containing elements of Groups 4 or 14 of the Periodic Table
- C07F7/02—Silicon compounds
- C07F7/08—Compounds having one or more C—Si linkages
- C07F7/10—Compounds having one or more C—Si linkages containing nitrogen having a Si-N linkage
-
- 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
- C08F4/65916—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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
Abstract
The metal complex has the formula I wherein: M is Ti, Zr or Hf; j is 1 or 2; each RA is independently optionally substituted hydrocarbyl or hydrocarbylsilyl having up to 80 non-hydrogen atoms or two RA groups can be covalently linked with each other to form one or more fused rings or ring systems; RB, RW, RX, RY and RZ independently are H or optionally substituted hydrocarbyl, hydrocarbylsilyl having up to 80 non-hydrogen atoms or two or more of RB, RW, RX, RY and RZ groups can be covalently linked with each other to form one or more fused rings or ring systems; Z is a divalent moiety bound to both Cp and M via s-bonds with Z being boron or a member of group 14 of the periodic table of elements or nitrogen, phosphorus, sulphur or oxygen; X is anionic or di-anionic ligand group of up to 60 atoms exclusive of the class of ligands that are cyclic, delocalised p-bound ligands groups; each X' is independently a neutral lewis base ligating compound of up to 20 atoms; p is 0 to 2 and is two less than the formal oxidation state of M when X is an anionic ligand or when X is a di-anionic ligand group p is 1 and q is 0 to 2. The metal complex is used in a catalyst system for olefin polymerization which also contains a co-catalyst.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US2376896P | 1996-08-08 | 1996-08-08 | |
| PCT/US1997/013171 WO1998006728A1 (en) | 1996-08-08 | 1997-07-28 | 2-heteroatom substituted cyclopentadienyl-containing metal complexes and olefin polymerization process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NZ333877A true NZ333877A (en) | 2000-08-25 |
Family
ID=21817090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NZ333877A NZ333877A (en) | 1996-08-08 | 1997-07-28 | metal complex of a substituted indene derivative and use of the complex in an olefin polymerization process |
Country Status (21)
| Country | Link |
|---|---|
| EP (1) | EP1021454A1 (en) |
| JP (1) | JP2000516608A (en) |
| KR (1) | KR20000029853A (en) |
| CN (1) | CN1231668A (en) |
| AR (1) | AR009034A1 (en) |
| AU (1) | AU716659B2 (en) |
| BR (1) | BR9711115A (en) |
| CA (1) | CA2262377A1 (en) |
| CO (1) | CO4870709A1 (en) |
| CZ (1) | CZ42499A3 (en) |
| HU (1) | HUP9904148A3 (en) |
| ID (1) | ID18005A (en) |
| NO (1) | NO990546L (en) |
| NZ (1) | NZ333877A (en) |
| PL (1) | PL331526A1 (en) |
| RU (1) | RU2196776C2 (en) |
| SA (1) | SA97180735B1 (en) |
| SK (1) | SK15299A3 (en) |
| TR (1) | TR199900589T2 (en) |
| WO (1) | WO1998006728A1 (en) |
| ZA (2) | ZA976998B (en) |
Families Citing this family (29)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI971565A7 (en) * | 1997-04-14 | 1998-10-15 | Borealis As | Substituted metallocene compounds for catalyst systems for the polymerization of olefins, intermediates thereof and method of preparation |
| DE19809159A1 (en) * | 1998-03-04 | 1999-09-09 | Bayer Ag | Organometallic compounds |
| US6326493B1 (en) * | 1999-01-25 | 2001-12-04 | Chisso Corporation | Metallocene compounds, processes for the preparation thereof, catalyst components for olefin polymerization, and processes for the production of olefin polymers |
| AU3902300A (en) | 1999-04-29 | 2000-11-17 | Dow Chemical Company, The | Bis(n,n-dihydrocarbylamino)- substituted cyclopentadienes and metal complexes thereof |
| AU3764600A (en) | 1999-05-13 | 2000-12-05 | Dow Chemical Company, The | Di- and tri-heteroatom substituted indenyl metal complexes |
| DE60001557T2 (en) | 1999-05-13 | 2004-01-08 | Dow Global Technologies, Inc., Midland | METAL COMPLEXES WITH HETEROATOM-CONTAINING BRIDGE FOR OLEFIN POLYMERIZATION PROCESSES |
| EP1194431B1 (en) | 1999-06-04 | 2005-06-22 | Dow Global Technologies Inc. | Boron-substituted cyclopentadienes and metal complexes thereof |
| CA2393793C (en) * | 1999-12-10 | 2009-09-29 | Jerzy Klosin | Substituted group 4 metal complexes, catalysts and olefin polymerization process |
| US6825295B2 (en) | 1999-12-10 | 2004-11-30 | Dow Global Technologies Inc. | Alkaryl-substituted group 4 metal complexes, catalysts and olefin polymerization process |
| EP1253158A1 (en) * | 1999-12-10 | 2002-10-30 | Dow Global Technologies Inc. | Substituted group 4 metal complexes, catalysts and olefin polymerization process |
| ATE292148T1 (en) | 2000-01-18 | 2005-04-15 | Basell Polyolefine Gmbh | METHOD FOR PRODUCING ESSENTIALLY AMORPHOUS PROPYLENE-BASED POLYMERS |
| GB0001232D0 (en) * | 2000-01-19 | 2000-03-08 | Borealis Polymers Oy | Polymerisation catalysts |
| WO2001053362A1 (en) * | 2000-01-19 | 2001-07-26 | Borealis Technology Oy | Metallocene catalysts comprising monocyclic siloxy substituted cyclopentadienyl group(s) for the polymerisation of olefins |
| JP4062929B2 (en) | 2002-02-08 | 2008-03-19 | 住友化学株式会社 | Transition metal complex, ligand, catalyst for olefin polymerization, and method for producing olefin polymer |
| WO2003078483A1 (en) * | 2002-03-14 | 2003-09-25 | Dow Global Technologies Inc. | Substituted indenyl metal complexes and polymerization process |
| US6927264B2 (en) | 2003-05-28 | 2005-08-09 | Dow Global Technologies Inc. | Metal complexes and polymerization process using same |
| RU2373592C1 (en) * | 2006-09-11 | 2009-11-20 | Асахи Касеи Кабусики Кайся | Polymer electrolyte, method of its production and electrochemical element |
| KR101678247B1 (en) | 2009-07-28 | 2016-11-21 | 유니베이션 테크놀로지즈, 엘엘씨 | Polymerization process using a supported constrained geometry catalyst |
| JP5579859B2 (en) * | 2010-09-15 | 2014-08-27 | 株式会社日本触媒 | Composition that can be used as a thermal latent polymerization initiator |
| CN102101897B (en) * | 2010-12-24 | 2013-02-06 | 上海化工研究院 | Metallocene Catalysts Containing Heterocycles in Side Chains and Their Applications in Olefin Polymerization |
| KR101791810B1 (en) | 2014-03-21 | 2017-10-30 | 엑손모빌 케미칼 패턴츠 인코포레이티드 | Process to produce ethylene propylene copolymers |
| US10773246B2 (en) | 2015-01-06 | 2020-09-15 | Scg Chemicals Co., Ltd. | SiO2-layered double hydroxide microspheres and methods of making them |
| KR102010630B1 (en) * | 2016-01-20 | 2019-08-13 | 한화토탈 주식회사 | Catalyst for olefin polymerization and olefin polymerization method thereof |
| GB201608384D0 (en) | 2016-05-12 | 2016-06-29 | Scg Chemicals Co Ltd | Unsymmetrical metallocene catalysts and uses thereof |
| CN110612313A (en) * | 2017-03-23 | 2019-12-24 | 埃克森美孚化学专利公司 | Catalyst systems and methods of making and using the same |
| KR102643986B1 (en) | 2017-09-29 | 2024-03-07 | 사빅 에스케이 넥슬렌 컴퍼니 피티이 엘티디 | A novel indene-based transition metal complexes, catalysts composition containing the same, and methods for preparing ethylene homopolymers or copolymers of ethylene and α-olefins using the same |
| WO2020174346A1 (en) | 2019-02-28 | 2020-09-03 | 사빅 에스케이 넥슬렌 컴퍼니 피티이 엘티디 | NOVEL TETRAARYLBORATE COMPOUND, CATALYST COMPOSITION COMPRISING SAME, AND METHOD FOR PREPARING ETHYLENE HOMOPOLYMERS OR COPOLYMERS OF ETHYLENE AND α-OLEFIN BY USING SAME |
| KR102714698B1 (en) | 2019-02-28 | 2024-10-10 | 사빅 에스케이 넥슬렌 컴퍼니 피티이 엘티디 | Novel tetraaryl borate compounds, catalysts composition containing the same, and methods for preparing ethylene homopolymers or copolymers of ethylene and α-olefins using the same |
| CN113039217B (en) | 2019-09-27 | 2023-05-12 | 株式会社Lg化学 | Hybrid supported catalyst and method for preparing polyolefin using the same |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NZ235032A (en) * | 1989-08-31 | 1993-04-28 | Dow Chemical Co | Constrained geometry complexes of titanium, zirconium or hafnium comprising a substituted cyclopentadiene ligand; use as olefin polymerisation catalyst component |
| PL166690B1 (en) * | 1990-06-04 | 1995-06-30 | Exxon Chemical Patents Inc | The method of producing polymers of olefins PL |
| ATE198207T1 (en) * | 1992-08-03 | 2001-01-15 | Targor Gmbh | METHOD FOR PRODUCING AN OLEFIN POLYMER USING SPECIAL METALLOCENES |
| DE4406963A1 (en) * | 1994-03-03 | 1995-09-07 | Basf Ag | Metallocene complexes with heterofunctional groups on the cyclopentadienyl system |
| DE4406964A1 (en) * | 1994-03-03 | 1995-09-07 | Basf Ag | Supported metal oxide complexes with heterofunctional groups on the cyclopentadienyl system as catalyst systems |
-
1997
- 1997-07-28 KR KR1019997001015A patent/KR20000029853A/en not_active Withdrawn
- 1997-07-28 RU RU99104650/04A patent/RU2196776C2/en not_active IP Right Cessation
- 1997-07-28 CA CA002262377A patent/CA2262377A1/en not_active Abandoned
- 1997-07-28 TR TR1999/00589T patent/TR199900589T2/en unknown
- 1997-07-28 NZ NZ333877A patent/NZ333877A/en unknown
- 1997-07-28 SK SK152-99A patent/SK15299A3/en not_active Application Discontinuation
- 1997-07-28 BR BR9711115A patent/BR9711115A/en not_active IP Right Cessation
- 1997-07-28 JP JP10509760A patent/JP2000516608A/en active Pending
- 1997-07-28 CZ CZ99424A patent/CZ42499A3/en unknown
- 1997-07-28 AU AU39647/97A patent/AU716659B2/en not_active Ceased
- 1997-07-28 WO PCT/US1997/013171 patent/WO1998006728A1/en not_active Ceased
- 1997-07-28 EP EP97937033A patent/EP1021454A1/en not_active Withdrawn
- 1997-07-28 HU HU9904148A patent/HUP9904148A3/en unknown
- 1997-07-28 PL PL97331526A patent/PL331526A1/en unknown
- 1997-07-28 CN CN97198208A patent/CN1231668A/en active Pending
- 1997-08-06 ZA ZA976998A patent/ZA976998B/en unknown
- 1997-08-06 ZA ZA976999A patent/ZA976999B/en unknown
- 1997-08-07 ID IDP972749A patent/ID18005A/en unknown
- 1997-08-08 CO CO97045592A patent/CO4870709A1/en unknown
- 1997-08-08 AR ARP970103616A patent/AR009034A1/en not_active Application Discontinuation
- 1997-12-24 SA SA97180735A patent/SA97180735B1/en unknown
-
1999
- 1999-02-05 NO NO990546A patent/NO990546L/en not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| JP2000516608A (en) | 2000-12-12 |
| HUP9904148A3 (en) | 2003-03-28 |
| PL331526A1 (en) | 1999-07-19 |
| AU3964797A (en) | 1998-03-06 |
| NO990546L (en) | 1999-03-29 |
| NO990546D0 (en) | 1999-02-05 |
| CO4870709A1 (en) | 1999-12-27 |
| ZA976999B (en) | 1999-02-08 |
| CA2262377A1 (en) | 1998-02-19 |
| ZA976998B (en) | 1999-02-08 |
| AU716659B2 (en) | 2000-03-02 |
| TR199900589T2 (en) | 1999-07-21 |
| SK15299A3 (en) | 2000-03-13 |
| HUP9904148A2 (en) | 2000-03-28 |
| KR20000029853A (en) | 2000-05-25 |
| CN1231668A (en) | 1999-10-13 |
| BR9711115A (en) | 1999-08-17 |
| AR009034A1 (en) | 2000-03-08 |
| SA97180735B1 (en) | 2006-10-08 |
| ID18005A (en) | 1998-02-19 |
| RU2196776C2 (en) | 2003-01-20 |
| CZ42499A3 (en) | 1999-07-14 |
| EP1021454A1 (en) | 2000-07-26 |
| WO1998006728A1 (en) | 1998-02-19 |
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