ATE215101T1 - Polyolgemische zur herstellung kohlenwasserstoff- getriebener polyurethan- und polyisocyanuratschaumstoffe - Google Patents
Polyolgemische zur herstellung kohlenwasserstoff- getriebener polyurethan- und polyisocyanuratschaumstoffeInfo
- Publication number
- ATE215101T1 ATE215101T1 AT98950968T AT98950968T ATE215101T1 AT E215101 T1 ATE215101 T1 AT E215101T1 AT 98950968 T AT98950968 T AT 98950968T AT 98950968 T AT98950968 T AT 98950968T AT E215101 T1 ATE215101 T1 AT E215101T1
- Authority
- AT
- Austria
- Prior art keywords
- polyurethane
- polyisocyanurate foam
- producing hydrocarbon
- polyol mixtures
- compositions
- Prior art date
Links
- 239000006260 foam Substances 0.000 title abstract 2
- 239000011495 polyisocyanurate Substances 0.000 title abstract 2
- 229920000582 polyisocyanurate Polymers 0.000 title abstract 2
- 239000004814 polyurethane Substances 0.000 title abstract 2
- 229920002635 polyurethane Polymers 0.000 title abstract 2
- 229920005903 polyol mixture Polymers 0.000 title 1
- 239000000203 mixture Substances 0.000 abstract 4
- 239000000463 material Substances 0.000 abstract 3
- 229920005906 polyester polyol Polymers 0.000 abstract 3
- 125000003118 aryl group Chemical group 0.000 abstract 2
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 abstract 2
- 239000011347 resin Substances 0.000 abstract 2
- 229920005989 resin Polymers 0.000 abstract 2
- 239000004604 Blowing Agent Substances 0.000 abstract 1
- 239000004215 Carbon black (E152) Substances 0.000 abstract 1
- 229930195733 hydrocarbon Natural products 0.000 abstract 1
- 150000002430 hydrocarbons Chemical class 0.000 abstract 1
- 230000002209 hydrophobic effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 239000002736 nonionic surfactant Substances 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
- C08J9/14—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent organic
- C08J9/141—Hydrocarbons
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/4009—Two or more macromolecular compounds not provided for in one single group of groups C08G18/42 - C08G18/64
- C08G18/4018—Mixtures of compounds of group C08G18/42 with compounds of group C08G18/48
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
- C08G18/4288—Polycondensates having carboxylic or carbonic ester groups in the main chain modified by higher fatty oils or their acids or by resin acids
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G2110/00—Foam properties
- C08G2110/0025—Foam properties rigid
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G2110/00—Foam properties
- C08G2110/0041—Foam properties having specified density
- C08G2110/005—< 50kg/m3
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2205/00—Foams characterised by their properties
- C08J2205/04—Foams characterised by their properties characterised by the foam pores
- C08J2205/052—Closed cells, i.e. more than 50% of the pores are closed
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2205/00—Foams characterised by their properties
- C08J2205/10—Rigid foams
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
- C08J2375/04—Polyurethanes
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Polyurethanes Or Polyureas (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/949,239 US5922779A (en) | 1997-10-10 | 1997-10-10 | Polyol blends for producing hydrocarbon-blown polyurethane and polyisocyanurate foams |
| PCT/US1998/021077 WO1999019377A1 (en) | 1997-10-10 | 1998-10-07 | Polyol blends for producing hydrocarbon-blown polyurethane and polyisocyanurate foams |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE215101T1 true ATE215101T1 (de) | 2002-04-15 |
Family
ID=25488795
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT98950968T ATE215101T1 (de) | 1997-10-10 | 1998-10-07 | Polyolgemische zur herstellung kohlenwasserstoff- getriebener polyurethan- und polyisocyanuratschaumstoffe |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US5922779A (de) |
| EP (1) | EP1023351B1 (de) |
| AT (1) | ATE215101T1 (de) |
| AU (1) | AU9687798A (de) |
| CA (1) | CA2305276C (de) |
| DE (1) | DE69804483T2 (de) |
| ES (1) | ES2172928T3 (de) |
| WO (1) | WO1999019377A1 (de) |
Families Citing this family (61)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6359022B1 (en) * | 1997-10-10 | 2002-03-19 | Stepan Company | Pentane compatible polyester polyols |
| US6245826B1 (en) * | 1998-02-09 | 2001-06-12 | Basf Corporation | Isocyanate-based rigid foam |
| US6461536B2 (en) * | 1998-02-09 | 2002-10-08 | Basf Corporation | Stable polyester polyol composition |
| ATE257162T1 (de) | 1998-02-23 | 2004-01-15 | Stepan Co | Niedrigviskose polyesterpolyole und verfahren zu ihrer herstellung |
| US6979477B2 (en) | 2000-09-06 | 2005-12-27 | Urethane Soy Systems Company | Vegetable oil-based coating and method for application |
| US7595094B2 (en) * | 1998-09-17 | 2009-09-29 | Urethane Soy Systems, Co. | Vegetable oil-based coating and method for application |
| US7063877B2 (en) | 1998-09-17 | 2006-06-20 | Urethane Soy Systems Company, Inc. | Bio-based carpet material |
| US20020058774A1 (en) | 2000-09-06 | 2002-05-16 | Kurth Thomas M. | Transesterified polyol having selectable and increased functionality and urethane material products formed using the polyol |
| US20030191274A1 (en) * | 2001-10-10 | 2003-10-09 | Kurth Thomas M. | Oxylated vegetable-based polyol having increased functionality and urethane material formed using the polyol |
| US6962636B2 (en) | 1998-09-17 | 2005-11-08 | Urethane Soy Systems Company, Inc. | Method of producing a bio-based carpet material |
| US6180686B1 (en) * | 1998-09-17 | 2001-01-30 | Thomas M. Kurth | Cellular plastic material |
| WO2000046266A1 (en) | 1999-02-03 | 2000-08-10 | Huntsman Petrochemical Corporation | Compatibilization of blowing agent polyol mixtures for polyurethane foam manufacture |
| US6268402B1 (en) * | 1999-02-05 | 2001-07-31 | Basf Corporation | Process for making isocyanate-based rigid foam |
| US6133329A (en) * | 1999-03-31 | 2000-10-17 | Oxid L.P. | Aromatic polyester polyols made from a natural oil |
| US6521673B1 (en) * | 1999-11-03 | 2003-02-18 | Polythane Systems, Inc. | Composition and method for preparing polyurethanes and polyurethane foams |
| US6294107B1 (en) * | 2000-07-26 | 2001-09-25 | Basf Corporation | Alkylene oxide modified silicone glycol compatibilizing agents for stable polyester polyol compositions |
| US6410609B1 (en) | 2000-07-27 | 2002-06-25 | Fomo Products, Inc. | Low pressure generating polyurethane foams |
| US6348161B1 (en) | 2000-08-03 | 2002-02-19 | Basf Corporation | Polyol composition containing a hydrocarbon blowing agent |
| IL140429A (en) * | 2000-12-20 | 2007-06-03 | Orycle Applic Ltd | Polyurethane preparations are useful as energy absorbers and a method for their preparation |
| EP1288239A1 (de) * | 2001-08-30 | 2003-03-05 | Huntsman International Llc | Verfahren zur Herstellung von urethanmodifizierten Polyisocyanurathartschäumen |
| US6777466B2 (en) * | 2002-02-08 | 2004-08-17 | Noveon Ip Holdings Corp. | Flame retardant thermoplastic polyurethane containing melamine cyanurate |
| US20040176494A1 (en) * | 2003-03-05 | 2004-09-09 | Feske Elbert F. | Preparation of flame retarded polyisocyanurate foams |
| US20040259967A1 (en) * | 2003-04-23 | 2004-12-23 | Neill Paul L. | Liquid hardness agent for open cell foams |
| CN101218272A (zh) | 2005-03-03 | 2008-07-09 | 南达科他大豆处理机有限公司 | 采用氧化方法从植物油衍生的新型多元醇 |
| DE102005031975A1 (de) * | 2005-07-08 | 2007-01-11 | Bayer Materialscience Ag | PUR-Polyesterweichschaumstoffe auf Basis von Polyetheresterpolyolen |
| WO2007047661A2 (en) * | 2005-10-18 | 2007-04-26 | Stepan Company | Prepolymer containing a liquid hardness agent for open cell foams |
| ATE494316T1 (de) * | 2006-02-15 | 2011-01-15 | Stepan Co | Verträglichmachende tenside für polyurethanpolyole und harze |
| US20070208096A1 (en) * | 2006-03-02 | 2007-09-06 | Oxid L.P. | Sulfonated aromatic polyester polyol compositions |
| AR064261A1 (es) * | 2006-11-16 | 2009-03-25 | Cargill Inc | Espumas poliuretanicas viscoelasticas que comprenden polioles de aceite natural oligomerico amidado o transesterificado |
| EP2195384B1 (de) | 2007-09-28 | 2020-02-26 | Stepan Company | Aromatische polyesterpolyole und aromatische polyesterpolyolmischungen mit nachwachsenden bestandteilen und herstellungsverfahren dafür |
| US20090247657A1 (en) * | 2008-04-01 | 2009-10-01 | Stepan Company | Thermal stability of polyurethane-modified polyisocyanurate foam |
| US9834638B2 (en) * | 2008-06-04 | 2017-12-05 | Covestro Llc | Process for preparing rigid polyisocyanurate foams using natural-oil polyols |
| WO2010135271A1 (en) * | 2009-05-19 | 2010-11-25 | Invista Technologies S.A R.L. | Polyol compositions, resin blend compositions, spray compositions, and methods of using each, and methods of making each |
| US9212250B2 (en) | 2009-11-04 | 2015-12-15 | Stepan Company | Method of improving mechanical strength of flexible polyurethane foams made from bio-based polyols, the polyol compositions utilized therein and the foams produced thereby |
| EP2361940A1 (de) * | 2010-02-19 | 2011-08-31 | GT Elektrotechnische Produkte GmbH | Neue Vergussmassen und deren Verwendung zur Herstellung von Elektroisolierstoffen |
| CA2797679A1 (en) | 2010-04-28 | 2011-11-03 | Arkema Inc. | Method of improving stability of polyurethane polyol blends containing halogenated olefin blowing agent |
| US8895636B2 (en) * | 2012-01-02 | 2014-11-25 | Basf Se | Producing rigid polyurethane foams and rigid polyisocyanurate foams |
| EP2804887B1 (de) | 2012-01-18 | 2017-03-01 | Stepan Company | Polyesterpolyole mit diels-alder oder en-addukten |
| US20130190418A1 (en) * | 2012-01-23 | 2013-07-25 | Andreas Kunst | Polyetherester polyols and preparation thereof |
| KR102059524B1 (ko) | 2013-02-19 | 2019-12-27 | 삼성전자주식회사 | 화학적 기계적 연마 장치와 연마 헤드 어셈블리 |
| ES2835699T3 (es) | 2013-03-15 | 2021-06-23 | Stepan Co | Polioles de poliéster que imparten propiedades de inflamabilidad mejoradas |
| ITMI20131603A1 (it) | 2013-09-30 | 2015-03-30 | Dow Global Technologies Llc | Miscele di polioli e polioli poliesteri e preparazione di espansi poliuretanici rigidi |
| CN106459341A (zh) | 2014-05-05 | 2017-02-22 | 树脂酸盐材料集团有限公司 | 来自热塑性聚酯和二聚体脂肪酸的聚酯多元醇 |
| US10414859B2 (en) | 2014-08-20 | 2019-09-17 | Resinate Materials Group, Inc. | High recycle content polyester polyols |
| JP2018510225A (ja) | 2015-01-30 | 2018-04-12 | レジネート マテリアルズ グループ、インコーポレイテッド | Ｐｅｔ及びｐｔｔのリサイクル流の統合処理方法 |
| US9522976B2 (en) | 2015-03-20 | 2016-12-20 | Resinate Materials Group, Inc. | Cycloaliphatic polyester polyols from thermoplastic polyesters |
| WO2016153780A1 (en) | 2015-03-20 | 2016-09-29 | Resinate Materials Group, Inc. | Cycloaliphatic polyester polyols from thermoplastic polyesters |
| WO2017058504A1 (en) | 2015-10-02 | 2017-04-06 | Resinate Materials Group, Inc. | High performance coatings |
| US10196481B2 (en) | 2016-06-03 | 2019-02-05 | Sirrus, Inc. | Polymer and other compounds functionalized with terminal 1,1-disubstituted alkene monomer(s) and methods thereof |
| WO2018009355A1 (en) | 2016-07-08 | 2018-01-11 | Resinate Materials Group, Inc. | Sustainable polyol blends for high-performance coatings |
| WO2018022368A1 (en) | 2016-07-29 | 2018-02-01 | Resinate Materials Group, Inc. | Sustainable polyester polyol compositions |
| US10155837B2 (en) | 2016-07-29 | 2018-12-18 | Resinate Materials Group, Inc. | Sustainable polyester polyol compositions |
| US20190225835A1 (en) | 2016-09-12 | 2019-07-25 | Resinate Materials Group, Inc. | Polyphenol alkoxylate containing blends and coatings |
| US11518843B1 (en) | 2018-02-26 | 2022-12-06 | Westlake Royal Building Products Inc. | Polymeric materials with improved environmental durability |
| EP3774983B1 (de) * | 2018-04-10 | 2022-06-15 | Stepan Company | Polyolmischungen und hartschaumstoffe mit verbesserten tieftemperatur-r-werten |
| WO2020005270A1 (en) | 2018-06-29 | 2020-01-02 | Boral Ip Holdings (Australia) Pty Limited | Foam composites and methods of preparation thereof |
| ES2931461T3 (es) * | 2018-10-09 | 2022-12-29 | Dow Global Technologies Llc | Una formulación de espuma de poliuretano rígida y espuma fabricada a partir de la misma |
| EP3969496A1 (de) | 2019-05-16 | 2022-03-23 | Dow Global Technologies LLC | Kompatibilisierte mischungen von terephalat-esterpolyolen und kohlenwasserstofftreibmitteln |
| US11845863B2 (en) | 2020-05-04 | 2023-12-19 | Carlisle Construction Materials, LLC | Polyurethane dispersions and their use to produce coatings and adhesives |
| KR20230029846A (ko) | 2020-06-25 | 2023-03-03 | 바스프 에스이 | 높은 압축 강도, 낮은 열 전도도, 및 높은 표면 품질을 갖는 폴리이소시아누레이트 수지 발포체 |
| EP4524172A1 (de) * | 2023-09-12 | 2025-03-19 | PCC ROKITA Spolka Akcyjna | Pir- und pur-pir-polyolzusammensetzung |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1922459A (en) * | 1933-08-15 | Their production | ||
| US3647759A (en) * | 1970-02-04 | 1972-03-07 | Hercules Inc | Resinous reaction product of ethylene glycol and dmt esterified oxidate residue |
| US4411949A (en) * | 1982-02-01 | 1983-10-25 | The Celotex Corporation | Polymeric foams from transesterified by-product derived from manufacture of dimethyl terephthalate and laminates therefrom |
| DE3339235A1 (de) * | 1983-10-28 | 1985-05-09 | Bayer Ag, 5090 Leverkusen | Verfahren zur herstellung von polyurethanen |
| US4595711A (en) * | 1984-06-20 | 1986-06-17 | Stepan Company | Aromatic polyester polyols fluorocarbon compatibilized with ethoxylate propoxylate compounds for urethane and isocyanurate foams |
| US4644048A (en) * | 1985-07-12 | 1987-02-17 | Stepan Company | Self-compatibilizing phthalate-based polyester polyols |
| US4644027A (en) * | 1985-07-15 | 1987-02-17 | Stepan Company | Self-compatibilizing phthalate-based polyester polyols |
| US4714717A (en) * | 1987-04-06 | 1987-12-22 | Jim Walter Resources, Inc. | Polyester polyols modified by low molecular weight glycols and cellular foams therefrom |
| US4897429A (en) * | 1989-03-27 | 1990-01-30 | Cape Industries | Aromatic polyester polyols from dimethyl terephthalate process residue and tall oil fatty acids |
| CA2031218C (en) * | 1989-04-24 | 1997-11-04 | Hans Wilhelm Hutzen | Polyurethane foam material free of halogenated hydrocarbons and process for producing the same |
| US5075417A (en) * | 1990-08-31 | 1991-12-24 | Cape Industries | Polyester polyols from tall oil fatty acid, maleic anhydride, and aromatic polyester polyols |
| DE4222519A1 (de) * | 1992-07-09 | 1994-01-13 | Bayer Ag | Verfahren zur Herstellung von harten Urethangruppen und überwiegend Isocyanuratgruppen aufweisenden Schaumstoffen |
| HUT77801A (hu) * | 1994-10-20 | 1998-08-28 | The Dow Chemical Company | Eljárás zárt cellás poliuretánhabok előállítására szénhidrogén hajtóanyag jelenlétében, valamint poliuretán-prekurzorként alkalmazható anyagkeverékek |
| US5605940A (en) * | 1995-02-13 | 1997-02-25 | The Celotex Corporation | High equivalent weight polyester polyols for closed cell, rigid foams |
| US5464562A (en) * | 1995-04-24 | 1995-11-07 | Basf Corporation | Polyoxyalkylene polyether monool polyurethane foam additive |
| US5470501A (en) * | 1995-05-08 | 1995-11-28 | Basf Corporation | Processability of hydrocarbon blown, polyisocyanate based foams through use of a compatibilizing agent |
| DE19639334C2 (de) * | 1996-09-25 | 1999-07-15 | Thanex Polyurethan Chemie Gmbh | Verfahren zur Herstellung eines Polyurethanschaums |
-
1997
- 1997-10-10 US US08/949,239 patent/US5922779A/en not_active Expired - Lifetime
-
1998
- 1998-10-07 CA CA002305276A patent/CA2305276C/en not_active Expired - Lifetime
- 1998-10-07 AU AU96877/98A patent/AU9687798A/en not_active Abandoned
- 1998-10-07 DE DE69804483T patent/DE69804483T2/de not_active Expired - Lifetime
- 1998-10-07 WO PCT/US1998/021077 patent/WO1999019377A1/en not_active Ceased
- 1998-10-07 AT AT98950968T patent/ATE215101T1/de not_active IP Right Cessation
- 1998-10-07 ES ES98950968T patent/ES2172928T3/es not_active Expired - Lifetime
- 1998-10-07 EP EP98950968A patent/EP1023351B1/de not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| WO1999019377A1 (en) | 1999-04-22 |
| CA2305276C (en) | 2008-11-18 |
| DE69804483T2 (de) | 2003-01-02 |
| CA2305276A1 (en) | 1999-04-22 |
| AU9687798A (en) | 1999-05-03 |
| EP1023351B1 (de) | 2002-03-27 |
| EP1023351A1 (de) | 2000-08-02 |
| US5922779A (en) | 1999-07-13 |
| DE69804483D1 (de) | 2002-05-02 |
| ES2172928T3 (es) | 2002-10-01 |
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