JP2001518953A - π錯化合物 - Google Patents
π錯化合物Info
- Publication number
- JP2001518953A JP2001518953A JP54231398A JP54231398A JP2001518953A JP 2001518953 A JP2001518953 A JP 2001518953A JP 54231398 A JP54231398 A JP 54231398A JP 54231398 A JP54231398 A JP 54231398A JP 2001518953 A JP2001518953 A JP 2001518953A
- Authority
- JP
- Japan
- Prior art keywords
- complex
- substituted
- group
- acceptor
- atom
- 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.)
- Ceased
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Classifications
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- 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
- C08F210/02—Ethene
-
- 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
- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic System
- C07F9/02—Phosphorus compounds
- C07F9/28—Phosphorus compounds with one or more P—C bonds
- C07F9/50—Organo-phosphines
- C07F9/5018—Cycloaliphatic phosphines
-
- 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
- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic System
- C07F9/02—Phosphorus compounds
- C07F9/547—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom
- C07F9/6564—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having phosphorus atoms, with or without nitrogen, oxygen, sulfur, selenium or tellurium atoms, as ring hetero atoms
- C07F9/6568—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having phosphorus atoms, with or without nitrogen, oxygen, sulfur, selenium or tellurium atoms, as ring hetero atoms having phosphorus atoms as the only ring hetero atoms
-
- 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
- C08F10/00—Homopolymers and copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
- C08F10/02—Ethene
-
- 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
- C08F32/00—Homopolymers and copolymers of cyclic compounds having no unsaturated aliphatic radicals in a side chain, and having one or more carbon-to-carbon double bonds in a carbocyclic ring system
-
- 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
-
- 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
- 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
- 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
- C08F210/18—Copolymers of ethene with alpha-alkenes, e.g. EP rubbers with non-conjugated dienes, e.g. EPT 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
- C08F4/619—Component covered by group C08F4/60 containing a transition metal-carbon bond
- C08F4/61908—Component covered by group C08F4/60 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
- C08F4/619—Component covered by group C08F4/60 containing a transition metal-carbon bond
- C08F4/61912—Component covered by group C08F4/60 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
- C08F4/65908—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
-
- 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
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1. 式 式中、 πIおよびπIIは、互いに異なる電荷を担持するか、または電気的に中性で あり、そして不飽和もしくは飽和の5もしくは6員環と1重もしくは2重に縮合 できるπ系を表し、 Dは、πIの置換基であるか、またはπIのπ系の一部であり、そしてそのそ れぞれの結合状態において利用される少なくとも1個の自由電子対をもつ、供与 体原子を表し、 Aは、πIIの置換基であるか、またはπIIのπ系の一部であり、そしてそ のそれぞれの結合状態において電子対空位をもつ、受容体原子を表し、 この場合、DとAは、供与体基が正(部分的)電荷を帯び、そして受容体基が 負(部分的)電荷を帯びるように、可逆的配位結合によって結合されており、そ してDとAの少なくとも1つは、各場合、会合されたπ系の一部であり、 DおよびAそれ自体が、置換基を含有してもよく、 各π系もしくは各縮合環系は、1個以上のDもしくはA本体、またはDおよび A本体を含有することができ、そして 非縮合または縮合型における、πIおよびπIIでは、π系の1個ないしすべ てのH原子は、互いに独立して、ハロゲンによって一置換ないし全置換されても よいか、フェニルによって一置換ないし三置換されてもよいか、またはビニルに よって一置換ないし三置換されてもよい直鎖もしくは分枝C1−C20アルキル; C6−C12アリール、およびC原子6〜12個を含むハロゲノアリール;を含む 群からの同じか異なる基によって置換されてもよく、そしてまた、該H原子は、 DおよびAによって一置換もしくは二置換されてもよく、したがって、可逆的配 位D→A結合が、(i)両方が、それぞれπ系の一部を構成しているDとAの間 に形成されるか、または(ii)π系のDもしくはA部分と、各場合非縮合π系 もしくは縮合環系の他の置換基とから形成されるか、または(iii)両Dおよ びAが、そのような置換基であるDとAの間に形成され、(iii)の場合には 、少なくとも1個の付加的なDもしくはA本体か、または両方が、π系もしくは 縮合環系の一部であり、 Mは、ランタニドおよびアクチニドを含む、元素の周期表(メンデレ−エフ) の亜族III,IV,VもしくはVIの遷移金属を表し、 Xは、1陰イオン当量を表し、そして nは、Mの電荷およびπIとπIIの電荷に応じて数0,1,2,3もしくは 4を表す、 のπ錯化合物、特にメタロセン化合物。 2. モノマーとして1種以上のオレフィン、i−オレフィン、アルキンもし くはジオレフィンの単独重合もしくは共重合のための方法か、あるいはガス、溶 液、バルク、高圧もしくはスラリー−相において、−60〜+250℃および0 .5〜5000bar下、そして飽和もしく は芳香族炭化水素か、または飽和もしくは芳香族ハロゲン化炭化水素の存在もし くは不在下での開環付加重合のための方法であって、該π錯化合物が、π錯体1 モル当たりモノマー101〜1012mol量において触媒として使用される方法 における、請求の範囲1記載のπ錯化合物の使用。 3. πIπ系が、縮合芳香族環が、部分的もしくは完全に水素化されていて もよい、シクロペンタジエン、置換シクロペンタジエン、インデン、置換インデ ン、フルオレンおよび置換フルオレンを含む群からのシクロペンタジエニル骨格 であることを特徴とする、請求の範囲1記載のπ錯化合物。 4. N,P,As,Sb,Bi,O,S,Se,Te,F,Cl,Br,I 、好ましくはN,P,OもしくはSを含む群からの元素が、供与体原子Dとして 使用されることを特徴とする、請求の範囲1記載のπ錯化合物。 5. B,AI,Ga,In,Tl、好ましくはB,AlもしくはGaを含む 群からの元素が、受容体原子Aとして使用されることを特徴とする、請求の範囲 1記載のπ錯化合物。 6. 供与体−受容体架橋が、N→B,N→Al,P→B,P→Al,O→B ,O→Al,Cl→B,Cl→Al,C=O→B,C=O→Alを含む群から使 用されることを特徴とする、請求の範囲1記載のπ錯化合物。 7. Mが、Sc,Y,La,Sm,Nd,Lu,Ti,Zr,Hf,Th, V,Nb,TaもしくはCr、好ましくはTi,Zr,Hf,V,Nbもしくは Taを表すことを特徴とする、請求の範囲1記載のπ錯化 合物。 8. 原子DもしくはAの1つが、会合されるπ系の環の一部であること、そ して好ましくは、Dが、会合されるπ系の環の一部であることを特徴とする、請 求の範囲1記載のπ錯化合物。 9. π錯化合物が、アルミノキサンもしくはその他のイオン化剤とともに触 媒系として使用されることを特徴とする、請求の範囲2記載の使用。 10.反応生成物が、式(XI) [式中、Anionは、完全にバルキーな疎らに配位している陰イオンを表し、 そしてBaseは、ルイス塩基を表す] に対応する、式(I)のπ錯体とイオン化剤の反応生成物。 11.D/A結合の開裂後、受容体原子Aが、X配位子に結合して、双性イオ ン性π錯体構造を形成し、正電荷が遷移金属Mに生じ、負電荷が受容体原子Aに 生じ、そしてさらなるX配位子が、Hまたは置換もし くは非置換のCを表し、遷移金属Mに対するこれの結合では、オレフィンが重合 のために挿入され、2個のX配位子が、好ましくは1個のキレート配位子に結合 される、請求の範囲1記載のπ錯化合物の自己活性化によって形成される転位生 成物。 12.高度にシンジオスタチックなポリスチレンの製造のための、請求の範囲 2記載の使用。 13.純粋なポリ−(1,3−ジエン)、好ましくは高程度の1,3−シス結 合もつものの製造のための、請求の範囲2記載の使用。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19714058.0 | 1997-04-05 | ||
DE19714058A DE19714058A1 (de) | 1997-04-05 | 1997-04-05 | pi-Komplex-Verbindungen |
PCT/EP1998/001745 WO1998045339A1 (de) | 1997-04-05 | 1998-03-25 | π-KOMPLEX-VERBINDUNGEN |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2001518953A true JP2001518953A (ja) | 2001-10-16 |
JP2001518953A5 JP2001518953A5 (ja) | 2005-07-14 |
Family
ID=7825517
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP54231398A Ceased JP2001518953A (ja) | 1997-04-05 | 1998-03-25 | π錯化合物 |
Country Status (9)
Country | Link |
---|---|
US (1) | US6423659B1 (ja) |
EP (1) | EP0971963B1 (ja) |
JP (1) | JP2001518953A (ja) |
AU (1) | AU7041098A (ja) |
CA (1) | CA2286360A1 (ja) |
DE (2) | DE19714058A1 (ja) |
ES (1) | ES2181200T3 (ja) |
NO (1) | NO319327B1 (ja) |
WO (1) | WO1998045339A1 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10114345A1 (de) * | 2001-03-23 | 2002-09-26 | Bayer Ag | Katalysator mit einer Donor-Akzeptor-Wechselwirkung |
DE10244213A1 (de) * | 2002-09-23 | 2004-04-01 | Bayer Ag | Verfahren zur Herstellung von Homo-, Copolymeren und/oder Blockcopolymeren mit Metallocenen mit einer Donor-Akzeptor-Wechselwirkung nach der lebenden Polymerisation |
DE10244214A1 (de) * | 2002-09-23 | 2004-04-01 | Bayer Ag | Übergangsmetallverbindungen mit Donor-Akzeptor-Wechselwirkung und speziellem Substitutionsmuster |
Family Cites Families (6)
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 |
GB9304521D0 (en) | 1993-03-05 | 1993-04-21 | Exxon Chemical Patents Inc | Improved alumoxane,method for its preparation and polymerisation process using such alumoxane |
EP0638593A1 (en) * | 1993-08-02 | 1995-02-15 | Shell Internationale Researchmaatschappij B.V. | Catalyst compositions |
DE4420456A1 (de) * | 1994-06-13 | 1995-12-14 | Hoechst Ag | Übergangsmetallverbindung |
MY112177A (en) | 1994-09-30 | 2001-04-30 | Mitsui Chemicals Inc | Olefin polymerization catalyst and process for olefin polymerization |
DE19627064C2 (de) * | 1996-07-05 | 1998-12-03 | Bayer Ag | Metallocen-Verbindungen, Verfahren zu deren Herstellung, sowie ihre Verwendung |
-
1997
- 1997-04-05 DE DE19714058A patent/DE19714058A1/de not_active Withdrawn
-
1998
- 1998-03-25 EP EP98917075A patent/EP0971963B1/de not_active Expired - Lifetime
- 1998-03-25 JP JP54231398A patent/JP2001518953A/ja not_active Ceased
- 1998-03-25 AU AU70410/98A patent/AU7041098A/en not_active Abandoned
- 1998-03-25 WO PCT/EP1998/001745 patent/WO1998045339A1/de active IP Right Grant
- 1998-03-25 ES ES98917075T patent/ES2181200T3/es not_active Expired - Lifetime
- 1998-03-25 DE DE59804807T patent/DE59804807D1/de not_active Expired - Fee Related
- 1998-03-25 CA CA002286360A patent/CA2286360A1/en not_active Abandoned
- 1998-03-25 US US09/402,263 patent/US6423659B1/en not_active Expired - Fee Related
-
1999
- 1999-10-04 NO NO19994838A patent/NO319327B1/no unknown
Also Published As
Publication number | Publication date |
---|---|
NO994838L (no) | 1999-11-30 |
NO319327B1 (no) | 2005-07-11 |
AU7041098A (en) | 1998-10-30 |
CA2286360A1 (en) | 1998-10-15 |
EP0971963A1 (de) | 2000-01-19 |
NO994838D0 (no) | 1999-10-04 |
EP0971963B1 (de) | 2002-07-17 |
US6423659B1 (en) | 2002-07-23 |
ES2181200T3 (es) | 2003-02-16 |
DE59804807D1 (de) | 2002-08-22 |
DE19714058A1 (de) | 1998-10-08 |
WO1998045339A1 (de) | 1998-10-15 |
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