WO1999016602A9 - Verbesserte, interne trennmittel für die herstellung von polyurethanformkörpern - Google Patents
Verbesserte, interne trennmittel für die herstellung von polyurethanformkörpernInfo
- Publication number
- WO1999016602A9 WO1999016602A9 PCT/EP1998/005873 EP9805873W WO9916602A9 WO 1999016602 A9 WO1999016602 A9 WO 1999016602A9 EP 9805873 W EP9805873 W EP 9805873W WO 9916602 A9 WO9916602 A9 WO 9916602A9
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- alkyl
- release agents
- internal release
- polyurethane
- production
- Prior art date
Links
Classifications
-
- 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
- C08G18/48—Polyethers
- C08G18/4804—Two or more polyethers of different physical or chemical nature
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/56—Coatings, e.g. enameled or galvanised; Releasing, lubricating or separating agents
- B29C33/60—Releasing, lubricating or separating agents
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/0008—Organic ingredients according to more than one of the "one dot" groups of C08K5/01 - C08K5/59
-
- 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
- C08G2125/00—Compositions for processes using internal mould release agents
Definitions
- the present invention relates to improved, internal release agents for the production of timely or compact polyurethane moldings, in particular those which are laminated or coated with other materials
- US Pat. No. 4,024,088 mentions organophosphorus compounds as internal release agents which contain at least 8 carbon atoms in the molecule.
- US Pat. No. 4,098,731 discloses internal release agents based on metal salts of a carboxylic acid, amidocarboxylic acid, phosphoric acid or boric acid in combination with certain tertiary amines US Pat. No. 4,098,731 likewise describes internal mold release agents in the production of polyurethane moldings based on salts of carboxylic acids with at least 8 carbon atoms and tertiary amines.
- 4,220,727 also discloses internal mold release agents which, inter alia, consist of metal salts of fatty acids and certain quaternary aralkylammonium salts.
- Carboxylates with long-chain carboxyl radicals (8 to 24 carbon atoms) as internal release agents are known, for example, from US 4,519,965, US 4,581,386 and US 4,111,861.
- the use of higher fatty acid esters as release agents is known from US 4 130 698
- Shape contours in the molds used can only be restored to their original condition by subsequent extensive cleaning, which of course forces production to be interrupted
- the present invention therefore relates to improved, internal release agents for the production of polyurethane moldings consisting of
- R represents -C 1 () -, preferably C 4 -C 8 -alkyl
- X OR 1 with R 1 is R or O "Y + and Y stands for NH 4 and N (R 2 , R 3 , R 4 , R 5 ), where R 2 to R 5 are the same or different and are hydrogen or C 1 -C 8 -alkyl, the C r C 10 -alkyl radical passing through OR 6 or NR 6 R 7 can be mono- or polysubstituted and R 6 and R 7 have the meaning for hydrogen or Ci-Ci Q- alkyl,
- R 8 and R 9 are the same or different and represent -C 10 alkyl or hydrogen.
- n is an integer from 2 to 4.
- n is an integer from 1 to 5
- R 10 represents hydrogen, -CC 9 alkyl or C 6 -C 10 aryl, which may optionally be substituted by C j -C ß alkyl groups, and
- Z has the meaning of Y, with the exception of the metals mentioned in the first main group of the Periodic Table of the Elements,
- R 11 has the meaning of R 10 and Y has the meaning given in formula (I).
- Ci-Cio-alkyl radicals of the above formulas are particularly mentioned: n-butyl, iso-butyl, n- and iso-pentyl, 2-ethylhexyl, octyl, n-propyl, iso-propyl, ethyl, methyl, nonyl, decyl, in particular n- and iso-butyl, n- and iso-pentyl, 2-ethylhexyl,
- the radical Y of the above formula particularly preferably represents NH 4 ®, N (CH 3 ) 3 H ® , N (C 2 H 5 ) 3 H ® , N (C 2 H 5 ) 4 ®, HO-CH 2 CH 2 -N (CH 3 ) 2 H® NH 2 (CH 2 ) 3 N (CH 3 ) 2 H®, (CH 3 ) 2 N- (CH 2 ) 3 -N (CH 3 ) 2 ) H®, oo
- M is preferably an integer from 2 and 3 and n is from 1 to 3.
- the metals of the first main group of the Periodic Table of the Elements are in particular: lithium, sodium, potassium.
- the release agents according to the invention are suitable for the production of cellular or compact polyurethane moldings.
- the polyurethane moldings can be produced in a conventional manner by reacting
- Stabilizers, activators and other auxiliaries and additives known per se can be carried out.
- organic and inorganic fillers can also be added to the polyurethane masses obtained during processing to reinforce the moldings.
- examples include glass fibers, wollastonite, sisal, flax, jute, hemp and / or wood shavings.
- Polyether siloxanes are particularly suitable as stabilizers. These compounds are generally constructed in such a way that a short-chain copolymer of ethylene oxide and propylene oxide is linked to a polydimethylsiloxane radical.
- foam stabilizers are e.g. in U.S. Patents 2,834,748, 2,917,480 and 3,629,308 and U.S. Patent 2,917,480.
- tertiary amines such as triethylamine, tributylamine, N-methylmorpholine, N-ethylmorpholine, N, N, N ', N'-tetramethylethylenedi amine, pentamethyl-diethylenetriamine and higher homologues (DE-A 2 624 527 and 2 624 528), 1,4-diazabicyclo- (2,2,2) -octane, N-methyl-N'-dimethylaminoethylpiperazine, bis- (dimethylaminoalkyl) piperazines, N, N-dimethylbenzylamine, N, N-dimethylcyclohexylamine, N, N-diethylbenzylamine, bis (N, N-diethylaminoethyl) adipate, N, N, N ', N'-tetramethyl- 1,3-butanedimine, N, N, N, N-diary amine
- organic metal compounds in particular organic tin compounds, can also be used as catalysts.
- organic tin compounds are preferably tin (II) salts of carboxylic acids, such as tin (II) acetate, tin (II) octoate, tin (Iat) ethylhexoate and Tin (II) laurate and the tin (IV) compounds, e.g. Dibutyltin oxide, dibutyltin dichloride, dibutyltin diacetate, dibutyltin dilaurate,
- tin (II) salts of carboxylic acids such as tin (II) acetate, tin (II) octoate, tin (Iat) ethylhexoate and Tin (II) laurate
- tin (IV) compounds e.g. Dibutyltin oxide, dibutyltin dichloride, dibutylt
- component a) in order to obtain cellular molded polyurethane articles, for example, the reaction of component a) with component b) can be carried out, as mentioned, with water and / or organic blowing agents.
- Suitable organic blowing agents are all known blowing agents, in particular hydrocarbons, such as n-pentane, c-pentane and isopentane, and fluorinated hydrocarbons, such as tetrafluoroethane and monofluorodichloroethane.
- Suitable polyisocyanates or polyisocyanate prepolymers are the known aliphatic, cycloaliphatic, araliphatic, preferably the aromatic, polyvalent isocyanates, as mentioned, for example, in EP-A 364 858.
- Particularly suitable are the tolylene diisocyanates and the diphenylmethane diisocyanates, their modification products or their corresponding prepolymers, by urethane, urea, biuret, allophanate, carbodumide or
- aromatic polyisocyanates include: 4,4'-diphenylmethane diisocyanate, mixtures of 2,4'- and 4,4'-diphenylmethane diisocyanate or crude methyl diisocyanate types.
- Particularly suitable as reaction component b) are polyols or polyol mixtures which have an OH number of 20 to 1800, an average OH number of 300 to 900 being set.
- the individual components b) have an average molecular weight of 400 to 10,000
- Polyols from the group of polyether and polyester polyols such as those obtained by adding alkylene oxide, such as ethylene oxide or propylene oxide, to multifunctional starters, such as ethylene glycol, propylene glycol, glycerol, trimethylolpropane, sorbitol, ethylene diamine or by condensation of dicarboxylic acids, have proven particularly useful such as adipic acid, succinic acid, glutaric acid, cork acid, sebacic acid, maleic acid, phthalic acid, with predominantly bifunctional hydroxy components, such as ethylene glycol, propylene glycol and diethylene glycol
- Suitable chain extenders which can be used together with component b) in the reaction are, in particular, compounds with molecular weights from 32 to 399.
- Ethylene glycol, 1,4-butanediol, glycerol, adducts of trimethylolpropane, glycerol, pentaerythritol, sorbitol with propylene oxide are mentioned and / or ethylene oxide
- the release agents according to the invention are usually used in amounts of 0.5 to 20, preferably 1 to 15 parts by weight, based on 100 parts by weight of the reactive component b)
- Polyurethane moldings can be produced in the molded foam process by in closed molds with foaming a reaction mixture of polyisocyanates, compounds with reactive hydrogen atoms, water and / or organic blowing agents and optionally other auxiliaries and additives with the use of the above-mentioned internal release agents at mold temperatures of preferably approx. 60-75 ° C works
- the production of molded polyurethane bodies is described, for example, in Kunststoff Handbuch, Volume 7, Polyurethane, 3 newly edited edition, Carl Hanser Verlag, Kunststoff / Vienna, 1993
- Corresponding natural fiber mats or glass fiber mat-reinforced PUR moldings are made from blowing agent-free or almost blowing agent-free PUR reaction mixtures using the compression molding process at mold temperatures of approx. 95 to 135 ° C.
- the release agents according to the invention bring about excellent release properties, good flow and impregnation behavior in the case of the use components a) and b) for the production of the polyurethane compositions and do not tend to build up in the mold, ie contamination of the mold due to settling polyurethane compositions avoided.
- Polyether polyol having an OH number of 470 produced by adding propylene oxide to a starter mixture of 80 parts by weight of sugar, 15 parts by weight of propylene glycol and 5 parts by weight of water.
- Polyether polyol with OH number 380 produced by adding propylene oxide to a starter mixture of 45 parts by weight of sugar, 50 parts by weight of diethylene glycol, 5 parts by weight of water.
- Polyether polyol with OH number 865 produced by adding propylene oxide to trimethylolpropane.
- Polyol 4
- Polyether polyol of OH number 515 prepared by adding propylene oxide
- Polyether polyol with OH number 475 produced by adding propylene oxide to a starter mixture of 80% sugar and 20% propylene glycol.
- Polyol 6 polyether polyol with an OH number of 1000, prepared by adding propylene oxide
- Polyether polyol with OH number 640 produced by adding propylene oxide to ethylenediamine as starter.
- Polyether polyol with OH number 480 produced by adding propylene oxide to ethylenediamine as starter.
- Polyether polyol with OH number 42 produced by adding 86% propylene oxide and 14% ethylene oxide to propylene glycol as starter.
- Polyisocyanate prepared by converting fatty acid polyester C of DE-OS 2 307 589 to the prepolymer according to Example 1 of DE-OS 2 307 589 with an NCO content of 28.4%.
- reaction components were used to manufacture thin-walled cladding parts and panel samples.
- the production took place under the usual PUR processing conditions.
- the raw material temperatures during processing were between 25 and 30 ° C.
- Polyol 1 40 parts by weight
- DBTDL Dibutyltin di-0.15 laurate
- formulation 1 Approximately 250 g of formulation 1 were applied to both sides of a natural fiber mat made of sisal / flax (1: 1) with a basis weight of 1000 g / m 2 and then in a steel mold with an area of approx. 1 m 2 at a temperature of 125-135 ° C 60-80 sec. Pressed to a wall thickness of 1.8-2 mm.
- demoulding aids were carried out without any visible build-up of the mold, and there was a separation during the first demoulding.
- the cladding part left the mold without any problems; a material structure in the mold could not be determined even after a long period of use.
- the molded part separated somewhat less favorably from the tool than with recipe 3, a build-up was not ascertainable after a long production run.
- Baydur Schwarzpaste DN (Bayer AG) 3.3
- the formulation was introduced under the conditions customary for processing polyurethane raw materials into a steel mold measuring 600 ⁇ 1000 ⁇ 3 mm, which contained a glass mat with a basis weight of 600 g / m 2 as an insert.
- the tool temperature was approx. 75 ° C.
- the overall density was 950 kg / m 3 .
- the demolding time was 120 sec.
- the molded parts were easily removed with the first part from the opened mold, without a product build-up in the mold after larger demolding numbers.
- the post-processing of the molded parts such as foaming semi-hard PUR foam systems, laminating foils and decorations, for example based ABS, PVC, TPO and blocked textiles, as well as bonding with suitable 2-component PUR adhesives, was possible without the need for extensive post-treatment.
- the process can be used to manufacture exterior and interior automotive parts such as door panels, seat shells, and tubs, A, B, and C-pillar linings, parcel shelves, trunk covers, sunroof cassettes, instrument panel supports and engine compartment encapsulations.
- exterior and interior automotive parts such as door panels, seat shells, and tubs, A, B, and C-pillar linings, parcel shelves, trunk covers, sunroof cassettes, instrument panel supports and engine compartment encapsulations.
Abstract
Description
Claims
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020007003294A KR100563539B1 (ko) | 1997-09-29 | 1998-09-16 | 폴리우레탄 성형체를 제조하기 위한 개선된 내부용 이형제 |
EP98950039A EP1019230B1 (de) | 1997-09-29 | 1998-09-16 | Verwendung von verbesserten, internen trennmitteln für die herstellung von durch glasfasern und/oder naturfasern verstärkten polyurethanformkörpern |
US09/509,183 US6471905B1 (en) | 1997-09-29 | 1998-09-16 | Internal release agents for producing polyurethane moulded bodies |
AU96257/98A AU9625798A (en) | 1997-09-29 | 1998-09-16 | Improved internal release agents for producing polyurethane moulded bodies |
DE59808298T DE59808298D1 (de) | 1997-09-29 | 1998-09-16 | Verwendung von verbesserten, internen trennmitteln für die herstellung von durch glasfasern und/oder naturfasern verstärkten polyurethanformkörpern |
BR9812689-0A BR9812689A (pt) | 1997-09-29 | 1998-09-16 | Agentes de desprendimento interno, aperfeiçoados para a preparação de corpos de poliuretano |
JP2000513718A JP4386572B2 (ja) | 1997-09-29 | 1998-09-16 | ポリウレタン成形品を製造するための改良された内部離型剤 |
CA002304729A CA2304729C (en) | 1997-09-29 | 1998-09-16 | Improved internal release agents for producing polyurethane moulded bodies |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19742870 | 1997-09-29 | ||
DE19742870.3 | 1997-09-29 |
Publications (3)
Publication Number | Publication Date |
---|---|
WO1999016602A2 WO1999016602A2 (de) | 1999-04-08 |
WO1999016602A3 WO1999016602A3 (de) | 1999-06-17 |
WO1999016602A9 true WO1999016602A9 (de) | 2000-04-06 |
Family
ID=7843935
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP1998/005873 WO1999016602A2 (de) | 1997-09-29 | 1998-09-16 | Verbesserte, interne trennmittel für die herstellung von polyurethanformkörpern |
Country Status (10)
Country | Link |
---|---|
US (1) | US6471905B1 (de) |
EP (1) | EP1019230B1 (de) |
JP (1) | JP4386572B2 (de) |
KR (1) | KR100563539B1 (de) |
AU (1) | AU9625798A (de) |
BR (1) | BR9812689A (de) |
CA (1) | CA2304729C (de) |
DE (1) | DE59808298D1 (de) |
ES (1) | ES2197510T3 (de) |
WO (1) | WO1999016602A2 (de) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6773756B2 (en) | 2002-03-20 | 2004-08-10 | Bayer Polymers Llc | Process to manufacture three dimensionally shaped substrate for sound abatement |
DE10335577A1 (de) * | 2003-07-31 | 2005-02-24 | Röhm GmbH & Co. KG | Trennmittel für Kunststoffe |
DE10335578A1 (de) * | 2003-07-31 | 2005-02-24 | Röhm GmbH & Co. KG | Thermostabilisator für Kunststoffe |
DE102004005223A1 (de) * | 2004-02-03 | 2005-08-18 | Bayer Materialscience Ag | Verbundelemente aus PUR-Werkstoffen mit Oberflächen aus Thermoplast- oder Metallschichten und ein Verfahren zu ihrer Herstellung |
DE102004062539A1 (de) * | 2004-12-24 | 2006-07-20 | Bayer Materialscience Ag | Verstärkte Polyurethanharnstoffelastomere und deren Verwendung |
RU2008129773A (ru) * | 2005-12-19 | 2010-01-27 | Дау Глобал Текнолоджиз, Инк. (Us) | Способ получения облицовок потолка автосалонов |
DE502008001038D1 (de) * | 2007-01-09 | 2010-09-09 | Basf Se | Wassergetriebene hartschaumstoffe für die isolation von flüssigerdgastanks |
DE102009047764A1 (de) | 2009-12-10 | 2011-06-16 | Evonik Goldschmidt Gmbh | Trennmittel und Verwendung zur Herstellung von Kompositformkörpern |
KR101485073B1 (ko) | 2010-09-15 | 2015-01-22 | 주식회사 엘지화학 | 지지 패드용 폴리우레탄 수지 조성물 및 이를 이용한 폴리우레탄 지지 패드 |
WO2013127850A1 (en) * | 2012-02-29 | 2013-09-06 | Bayer Intellectual Property Gmbh | 2-k pultrusion formulation and process |
EP3423516B1 (de) | 2016-03-04 | 2021-06-02 | Covestro Intellectual Property GmbH & Co. KG | Verfahren zur herstellung von faserverbundbauteilen |
US10519273B2 (en) | 2017-12-07 | 2019-12-31 | Covestro Llc | Processes for producing filter cartridge assemblies and molded polyurethane elastomers |
US11878441B2 (en) | 2017-12-08 | 2024-01-23 | Guardian Chemicals Inc. | Low corrosion release agent for ligno-cellulosic composites |
CN113661198A (zh) * | 2019-03-25 | 2021-11-16 | 亨茨曼国际有限公司 | 聚醚多元醇 |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE757939A (fr) | 1969-10-24 | 1971-04-01 | Bayer Ag | Procede de preparation de matieres en mousses |
DE2121670C3 (de) | 1971-05-03 | 1979-11-15 | Bayer Ag, 5090 Leverkusen | Verfahren zur Herstellung von Schaumstoffen |
DE2307589C3 (de) | 1973-02-16 | 1984-11-15 | Bayer Ag, 5090 Leverkusen | Verfahren zur Herstellung von Schaumstoffen mit vorzüglichen Entformungseigenschaften |
DE2319648C2 (de) | 1973-04-18 | 1985-08-14 | Bayer Ag, 5090 Leverkusen | Weitere Ausbildung des Verfahrens zur Herstellung von Schaumstoffen mit vorzüglichen Entformungseigenschaften |
US4201847A (en) | 1973-02-16 | 1980-05-06 | Bayer Aktiengesellschaft | Process of preparing foams with internal mold-release agents |
US4098731A (en) * | 1974-07-03 | 1978-07-04 | Bayer Aktiengesellschaft | Process for the production of foams |
US4024088A (en) | 1974-12-23 | 1977-05-17 | Union Carbide Corporation | Compositions and methods useful in forming polyether polyurethanes having release properties |
US4040992A (en) * | 1975-07-29 | 1977-08-09 | Air Products And Chemicals, Inc. | Catalysis of organic isocyanate reactions |
GB1575205A (en) | 1976-03-29 | 1980-09-17 | Ici Ltd | Process for the production of polyurethane foam mouldings |
US4220727A (en) * | 1976-09-24 | 1980-09-02 | Union Carbide Corporation | Method of molding polyurethanes having mold release properties |
US4111861A (en) | 1976-09-24 | 1978-09-05 | Union Carbide Corporation | Method of molding polyurethanes having mold release properties |
DE3143706A1 (de) | 1981-11-04 | 1983-05-11 | Bayer Ag, 5090 Leverkusen | Hochfrequenzverschweissbare polyurethanschaumstoffe und ein verfahren zur herstellung derselben |
US4537832A (en) * | 1982-12-25 | 1985-08-27 | Tdk Corporation | Magnetic recording medium |
US4876019A (en) * | 1983-02-16 | 1989-10-24 | The Dow Chemical Company | Internal mold release compositions |
US4519965A (en) | 1984-08-23 | 1985-05-28 | Mobay Chemical Corporation | Internal mold release agent for use in reaction injection molding |
US4581386A (en) | 1985-05-23 | 1986-04-08 | Mobay Chemical Corporation | Internal mold release agent for use in reaction injection molding |
US5753730A (en) | 1986-12-15 | 1998-05-19 | Mitsui Toatsu Chemicals, Inc. | Plastic lenses having a high-refractive index, process for the preparation thereof and casting polymerization process for preparing sulfur-containing urethane resin lens and lens prepared thereby |
US5594088A (en) | 1986-12-15 | 1997-01-14 | Mitsui Toatsu Chemicals, Inc. | Plastic lenses having a high-refractive index, process for the preparation thereof and casting polymerization process for preparing sulfur containing urethane resin lens and lens prepared thereby |
CA1320806C (en) * | 1988-02-17 | 1993-08-03 | Teruyuki Nagata | Plastic lenses having a high-refracting index and process for the preparation thereof |
US5389708A (en) * | 1992-01-31 | 1995-02-14 | Mitsui Toatsu Chemicals, Inc. | Sulfur-containing acid phosphoric ester internal release agent |
-
1998
- 1998-09-16 BR BR9812689-0A patent/BR9812689A/pt not_active IP Right Cessation
- 1998-09-16 WO PCT/EP1998/005873 patent/WO1999016602A2/de active IP Right Grant
- 1998-09-16 JP JP2000513718A patent/JP4386572B2/ja not_active Expired - Fee Related
- 1998-09-16 CA CA002304729A patent/CA2304729C/en not_active Expired - Fee Related
- 1998-09-16 EP EP98950039A patent/EP1019230B1/de not_active Expired - Lifetime
- 1998-09-16 AU AU96257/98A patent/AU9625798A/en not_active Abandoned
- 1998-09-16 DE DE59808298T patent/DE59808298D1/de not_active Expired - Lifetime
- 1998-09-16 KR KR1020007003294A patent/KR100563539B1/ko not_active IP Right Cessation
- 1998-09-16 US US09/509,183 patent/US6471905B1/en not_active Expired - Lifetime
- 1998-09-16 ES ES98950039T patent/ES2197510T3/es not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
WO1999016602A3 (de) | 1999-06-17 |
CA2304729A1 (en) | 1999-04-08 |
KR20010024323A (ko) | 2001-03-26 |
EP1019230A2 (de) | 2000-07-19 |
JP4386572B2 (ja) | 2009-12-16 |
JP2001518402A (ja) | 2001-10-16 |
WO1999016602A2 (de) | 1999-04-08 |
AU9625798A (en) | 1999-04-23 |
EP1019230B1 (de) | 2003-05-07 |
CA2304729C (en) | 2008-12-09 |
DE59808298D1 (de) | 2003-06-12 |
ES2197510T3 (es) | 2004-01-01 |
US6471905B1 (en) | 2002-10-29 |
KR100563539B1 (ko) | 2006-03-27 |
BR9812689A (pt) | 2000-08-22 |
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