ES2054895T3 - Procedimiento para la fabricacion de espumas blandas de moldeo de poliuretano que se endurecen en frio con excelentes propiedades de amortiguacion. - Google Patents

Procedimiento para la fabricacion de espumas blandas de moldeo de poliuretano que se endurecen en frio con excelentes propiedades de amortiguacion.

Info

Publication number
ES2054895T3
ES2054895T3 ES89102703T ES89102703T ES2054895T3 ES 2054895 T3 ES2054895 T3 ES 2054895T3 ES 89102703 T ES89102703 T ES 89102703T ES 89102703 T ES89102703 T ES 89102703T ES 2054895 T3 ES2054895 T3 ES 2054895T3
Authority
ES
Spain
Prior art keywords
ethylene oxide
cushioning properties
soft polyurethane
excellent cushioning
hardened
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.)
Expired - Lifetime
Application number
ES89102703T
Other languages
English (en)
Inventor
Peter Dr Gansen
Rudi Wolfgramm
Klaus-Dieter Dr Wolf
John J Lindsey
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bayer AG
Bayer Corp
Original Assignee
Bayer AG
Miles Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6348478&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ES2054895(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Bayer AG, Miles Inc filed Critical Bayer AG
Application granted granted Critical
Publication of ES2054895T3 publication Critical patent/ES2054895T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40High-molecular-weight compounds
    • C08G18/48Polyethers
    • C08G18/4804Two or more polyethers of different physical or chemical nature
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/08Processes
    • C08G18/10Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/08Processes
    • C08G18/10Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
    • C08G18/12Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step using two or more compounds having active hydrogen in the first polymerisation step
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40High-molecular-weight compounds
    • C08G18/4009Two or more macromolecular compounds not provided for in one single group of groups C08G18/42 - C08G18/64
    • C08G18/4018Mixtures of compounds of group C08G18/42 with compounds of group C08G18/48
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2110/00Foam properties
    • C08G2110/0008Foam properties flexible
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2110/00Foam properties
    • C08G2110/0041Foam properties having specified density
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2350/00Acoustic or vibration damping material
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S521/00Synthetic resins or natural rubbers -- part of the class 520 series
    • Y10S521/914Polyurethane cellular product formed from a polyol which has been derived from at least two 1,2 epoxides as reactants

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)

Abstract

LAS ESPUMAS BLANDAS DE POLIURETANO FRAGUABLES EN FRIO CON EXCELENTES PROPIEDADES AMORTIGUADORAS SE OBTIENEN MEDIANTE REACCION DE POLIISOCIANATOS CON: A) AL MENOS UN POLIOETER CON UN MINIMO DE DOS GRUPOS OH CON UN NUMERO OH DE 20 A 60 SOBRE UNA BASE DE UN 75 95% DEL PESO DE PROPILENOXIDO Y D UN 5-25% DE ETILENOXIDO Y B) UN POLIETER O POLIESTER CON AL MENOS DOS GRUPOS OH CON UN NUMERO OH DE 150 A 400 Y C) UN POLIETER CON AL MENOS DOS GRUPOS OH CON UN NUMERO OH DE 20 A 200 SOBRE LA BASE DE PROPILENOXIDO Y ETILENOXIDO CON UN CONTENIDO DE ETILENOXIDO DE MAS DEL 50% DEL PESO, REFERIDO A APROPILENOXIDO Y ETILENOXIDO, EN PRESENCIA DE AGUA Y, EN SU CASO, AGENTES PROPULSORES ORGANICOS, CATALIZADOREADA, HIDRANDOSE CATALITICAMENTE EN PRIMER LUGAR LAS MEZCLAS TECNICAS DE ACIDOS GRASOS, SEPARANDO A CONTINUACION LOS ACIDOS GRASOS SATURADOS METILRAMIFICADOS, ESTANDO PREVISTA ANTES DE LA HIDRACION UNA PRESEMARACION DE TRANSRETICULACION. ESTE PROCESO PROPORCIONA LOS PRODUCTOS DESEADOS CON UN ALTO RENDIMIENTO Y UNA GRAN PUREZA.
ES89102703T 1988-03-01 1989-02-17 Procedimiento para la fabricacion de espumas blandas de moldeo de poliuretano que se endurecen en frio con excelentes propiedades de amortiguacion. Expired - Lifetime ES2054895T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3806476A DE3806476A1 (de) 1988-03-01 1988-03-01 Verfahren zur herstellung von kalthaertenden polyurethan-weichformschaumstoffen mit hervorragenden daempfungseigenschaften

Publications (1)

Publication Number Publication Date
ES2054895T3 true ES2054895T3 (es) 1994-08-16

Family

ID=6348478

Family Applications (1)

Application Number Title Priority Date Filing Date
ES89102703T Expired - Lifetime ES2054895T3 (es) 1988-03-01 1989-02-17 Procedimiento para la fabricacion de espumas blandas de moldeo de poliuretano que se endurecen en frio con excelentes propiedades de amortiguacion.

Country Status (7)

Country Link
US (1) US5063253A (es)
EP (1) EP0331941B1 (es)
JP (1) JP2587290B2 (es)
AU (1) AU624602B2 (es)
CA (1) CA1319786C (es)
DE (2) DE3806476A1 (es)
ES (1) ES2054895T3 (es)

Families Citing this family (65)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5171759A (en) * 1988-07-12 1992-12-15 Arco Chemical Technology, L.P. Polymer polyol compositions and their use in the preparation of polyurethane foams
US4980445A (en) * 1989-01-17 1990-12-25 The Dow Chemical Company Thermoplastic polyurethanes
DE3942330A1 (de) * 1989-12-21 1991-06-27 Basf Ag Verfahren zur herstellung von flexiblen polyurethan-weichschaumstoffen mit viskoelastischen, koerperschalldaempfenden eigenschaften und hierzu verwendbare polyoxyalkylen-polyol-mischungen
DE4001249A1 (de) * 1990-01-18 1991-07-25 Bayer Ag Verfahren zur herstellung von offenzelligen, kaltverformbaren polyurethan-hartschaumstoffen und deren verwendung zur herstellung von autohimmeln
DE4007330A1 (de) * 1990-03-08 1991-09-12 Bayer Ag Verfahren zur herstellung von im wesentlichen geschlossenzelligen urethan-, harnstoff- und biuretgruppen aufweisenden hartschaumstoffen und deren verwendung
IT1246042B (it) * 1990-11-16 1994-11-07 Montedipe Srl Schiume poliuretaniche flessibili e procedimento per la loro preparazione
GB9028096D0 (en) * 1990-12-27 1991-02-13 Ici Plc Isocyanate-reactive compositions
DE4129666C2 (de) * 1991-09-06 1996-12-12 Stankiewicz Gmbh Verfahren zur Herstellung eines viscoelastischen Dämpfungsschaums mit adhäsiver Oberfläche
GB9126741D0 (en) * 1991-12-17 1992-02-12 Ici Plc Polyurethane foams
DE69220338T2 (de) * 1991-12-17 1997-11-06 Ici Plc Polyurethanschäume
US6376698B1 (en) 1991-12-17 2002-04-23 Imperial Chemical Industries Plc Prepolymers
GB9126740D0 (en) * 1991-12-17 1992-02-12 Ici Plc Polyol compositions
DE4204395A1 (de) * 1992-02-14 1993-08-19 Bayer Ag Verfahren zur herstellung von kalthaertenden polyurethan-weichformschaumstoffen
TW293827B (es) * 1992-04-20 1996-12-21 Takeda Pharm Industry Co Ltd
US5686502A (en) * 1992-07-01 1997-11-11 Polyfoam Products, Inc. Water blown, hydrophilic, open cell polyurethane foams, method of making such foams and articles made therefrom
US5397609A (en) 1993-03-11 1995-03-14 Chapman; Jeffrey A. Carvable novelty articles and methods
US5378733A (en) * 1993-04-09 1995-01-03 Seaward International, Inc. Sound attenuating polymer composites
US5773483A (en) * 1993-04-13 1998-06-30 Imperial Chemical Industries Plc Process for preparing a flexible foam
EP0622388B2 (en) * 1993-04-26 2001-04-11 Takeda Chemical Industries, Ltd. Method of producing open cell rigid polyurethane foam
GB9311838D0 (en) * 1993-06-08 1993-07-28 Ici Plc Process for making flexible foams
CA2132595C (en) * 1993-09-22 1999-03-16 Thomas L. Fishback Polyol composition having good flow and water blown rigid polyurethane foams made thereby having good dimensional stability
US5478494A (en) * 1993-09-22 1995-12-26 Basf Corporation Polyol composition having good flow and formic acid blown rigid polyurethane foams made thereby having good dimensional stability
US6521674B1 (en) 1993-10-01 2003-02-18 Carpenter Co. Latex-like flexible polyurethane foam and process for making same
TW290564B (es) * 1994-06-16 1996-11-11 Ici Plc
US5484820A (en) * 1994-08-05 1996-01-16 The Dow Chemical Company Polyurethane foam for packaging applications
US5900442A (en) * 1995-05-12 1999-05-04 Imperial Chemical Industries Plc Flexible polyurethane foams
US5596059A (en) * 1995-07-26 1997-01-21 Arco Chemical Technology, L.P. Polyether polyols suitable for mflexible polyurethane foam prepared by co-initiation of aqueous solutions of solid polyhydroxyl initiators
JP3112259B2 (ja) * 1996-10-22 2000-11-27 東海化成工業株式会社 衝撃吸収ヘッドレスト
DE19649829A1 (de) * 1996-12-02 1998-06-04 Bayer Ag Weichelastische Polyurethanschaumstoffe und ein Verfahren zu deren Herstellung
WO1998042763A1 (en) * 1997-03-25 1998-10-01 Huntsman Ici Chemicals Llc Process for preparing flexible polyurethane foam
JP4125426B2 (ja) * 1998-02-06 2008-07-30 三井化学ポリウレタン株式会社 低反発性ウレタンフォーム
DE19902802A1 (de) * 1999-01-25 2000-08-03 Basf Ag Schalldämpfendes Polyurethan
DE19924802B4 (de) * 1999-05-29 2008-02-28 Basf Ag Verfahren zur Herstellung von schalldämpfenden und energieabsorbierenden Polyurethanschäumen
DE19924804C5 (de) * 1999-05-29 2009-02-12 Basf Se Verfahren zur Herstellung von schallabsorbierenden Polyurethanschäumen mit adhäsiver Oberfläche
EP1189963B1 (en) 1999-05-31 2005-03-16 Huntsman International Llc Process for making low density foams and polyol composition useful therefor
DE60003185T2 (de) * 1999-07-26 2003-12-18 Huntsman International Llc, Salt Lake City Verfahren zur herstellung von kalthärtenden flexiblen schäumen, polyolzusammensetzung und dafür nützliches reaktionssystem, damit erhaltene schäume
DE60015174T2 (de) * 1999-10-07 2006-03-02 Huntsman International Llc, Salt Lake City Verfahren zur Herstellung von Polyurtehanhartschaumstoffen und Polyurethanweichschaumstoffen, die ein flammenhemmendes Mittel enthalten
CN1174014C (zh) * 1999-11-02 2004-11-03 亨茨曼国际有限公司 制备高弹性泡沫体的方法
EP1234843A1 (en) * 2001-02-26 2002-08-28 Huntsman International Llc Process for preparing a flexible polyurethane foam
EP1404736B1 (en) 2001-04-27 2008-12-10 Huntsman International Llc Process for making visco-elastic foam
US6994068B2 (en) * 2001-04-28 2006-02-07 Andreas Stihl Ag & Co, Kg Antivibration device
BR0214511B1 (pt) * 2001-11-29 2012-09-04 sistema de reação para a preparação de um material termocurável de poliuretano viscoelástico, material de poliuretano viscoelástico, sistema de reação para a preparação de materiais termocuráveis de poliuretano viscoelástico celular, e, material termocurável celular de poliuretano viscoelástico.
BR0312812B1 (pt) * 2002-08-02 2012-09-18 pré-polìmero terminado em isocianato, composição de poliisocianato, e, processo para a preparação de uma espuma de poliuretano flexìvel.
US20060168089A1 (en) * 2002-09-30 2006-07-27 Sampson Scott E Controlling incoming communication by issuing tokens
US8051172B2 (en) * 2002-09-30 2011-11-01 Sampson Scott E Methods for managing the exchange of communication tokens
US20040073688A1 (en) * 2002-09-30 2004-04-15 Sampson Scott E. Electronic payment validation using Transaction Authorization Tokens
US6804687B2 (en) * 2002-09-30 2004-10-12 Scott E. Sampson File system management with user-definable functional attributes stored in a token action log
DE10259267A1 (de) * 2002-12-17 2004-07-01 Basf Ag Isocyanataddukte
US7078443B2 (en) * 2003-10-22 2006-07-18 Intellectual Property Holdings, Llc Viscoelastic foam layer and composition
ES2378448T3 (es) * 2004-05-12 2012-04-12 Fritz Nauer Ag Espuma de poliuretano flexible
US7748184B1 (en) * 2005-02-09 2010-07-06 Intellectual Property Holdings, Llc Body panel having improved stiffness and method of making
DE102005059710A1 (de) * 2005-12-12 2007-06-14 Basf Ag Prepolymere und daraus hergestellte zellige Polyisocyanat-Polyadditionsprodukte
GB2434094A (en) * 2006-01-12 2007-07-18 Dyson Technology Ltd Drying apparatus with sound-absorbing material
EA010014B1 (ru) * 2006-07-20 2008-06-30 Андрей Петрович Гончарук Способ получения стабильной дисперсии полимеров, стабильная дисперсия полимеров и полиуретановая пена
DE102007049506B3 (de) * 2007-10-15 2009-05-28 Bayer Materialscience Ag Bodenbedeckung mit viskoelastischen Dämpfungseigenschaften
DE102008046667A1 (de) 2008-09-10 2009-06-18 Bayer Materialscience Ag Bodenbedeckung mit viskoelastischen Dämpfungseigenschaften
EP2050865B1 (de) * 2007-10-15 2014-11-26 Bayer Intellectual Property GmbH Bodenbedeckung mit viskoelastischen Dämpfungseigenschaften
KR101529352B1 (ko) * 2007-11-09 2015-06-16 미쓰이 가가쿠 가부시키가이샤 폴리올 조성물, 발포용 조성물 및 폴리우레탄 폼
GB2475979A (en) * 2009-12-04 2011-06-08 Mindsinsync Ltd Mat or cushion
WO2014153701A1 (en) * 2013-03-25 2014-10-02 Bayer Material Science Ag Rigid polyurethane foams with high acoustic absorption
EP2881411A1 (de) 2013-12-05 2015-06-10 Bayer MaterialScience AG Verfahren zur Herstellung von viskoelastischen Polyurethanschaumstoffen auf Basis von phasenstabilen Polyolformulierungen
US9873963B2 (en) 2014-03-17 2018-01-23 Mindsinsync Inc. Spacer mesh mat base
CN107108842A (zh) * 2014-10-07 2017-08-29 国际壳牌研究有限公司 与聚氨酯相关的改进
EP3643731B1 (en) * 2017-06-20 2024-05-15 Archem Inc. Composition for soft polyurethane foam, soft polyurethane foam, and vehicle seat pad
DE102018130176A1 (de) * 2018-11-28 2020-05-28 Adler Pelzer Holding Gmbh Polyurethan-Schaumstoff-Formulierung und Schallisolierungen mit darauf basierenden Schäumen

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2086977A5 (es) * 1970-04-15 1971-12-31 Naphtachimie Sa
US3857800A (en) * 1970-06-19 1974-12-31 Dunlop Holdings Ltd Flexible polyurethane foams prepared from a mixture of polyether polyols
US4008189A (en) * 1974-06-03 1977-02-15 Olin Corporation Hydrophilic polyurethane foam
JPS55135128A (en) * 1979-04-10 1980-10-21 Hitachi Chem Co Ltd Production of semirigid polyurethane foam
US4469823A (en) * 1983-07-28 1984-09-04 Texaco Inc. Flexible polyurethane foams made using an aromatic polyester polyol
AU593680B2 (en) * 1986-09-05 1990-02-15 Bayer Aktiengesellschaft A process for the production of elastic, open-celled flexible polyurethane foams having increased compression hardness
US4929646A (en) * 1988-04-26 1990-05-29 The Dow Chemical Company Polyurethane foam prepared using high functionality cell openers

Also Published As

Publication number Publication date
AU3090989A (en) 1989-09-07
EP0331941B1 (de) 1993-05-19
CA1319786C (en) 1993-06-29
EP0331941A1 (de) 1989-09-13
DE58904380D1 (de) 1993-06-24
DE3806476A1 (de) 1989-09-14
JP2587290B2 (ja) 1997-03-05
AU624602B2 (en) 1992-06-18
US5063253A (en) 1991-11-05
JPH01263110A (ja) 1989-10-19

Similar Documents

Publication Publication Date Title
ES2054895T3 (es) Procedimiento para la fabricacion de espumas blandas de moldeo de poliuretano que se endurecen en frio con excelentes propiedades de amortiguacion.
ES2100377T3 (es) Procedimiento para la preparacion de espumas blandas de moldeo de poliuretano de endurecimiento en frio.
ES2035401T3 (es) Procedimiento para la obtencion de poliisocianatos de isocianurato, los compuestos obtenidos segun este procedimiento y su empleo.
ES2152312T3 (es) Procedimiento para fabricar estructuras de espuma de polimero etilenico reticulado.
ES2001512A6 (es) Procedimiento para la fabricacion de esteres totales y parciales del acido hialuronico
ES2107214T3 (es) Isomerizacion del esqueleto de n-pentenos.
MX174496B (es) Procedimiento para la elaboracion de sulfonilureas y producto resultante
ES519416A0 (es) Procedimiento para preparar una espuma de poliisocianurato.
ES2143122T3 (es) Sulfonimidamidas sustituidas, procedimiento para su preparacion, su utilizacion como medicamento o agente de diagnostico, asi como medicamento que las contiene.
ES2241282T3 (es) Espumas de poliuretano rigidas sopladas con hidrocarburo que tienen un comportamiento de inflamabilidad mejorado.
ES2069442T3 (es) Procedimiento para la fabricacion de espumas blandas de poliuretano de poliester libres de empañamiento y su uso en medios de transporte.
MX173536B (es) Espuma de poliisocianurato
AR246527A1 (es) Procedimiento para la preparacion de n-acil-n,n'-di-lisogangliosidos, n'-acil-n,n'-di-lisogangliosidos y n,n'-diacil-n,n'-di-lisogangliosidos.
ES2134912T3 (es) Composicion cosmetica o farmaceutica, anhidra y a base de retinol.
ES2101686T3 (es) Procedimiento para la preparacion de espumas con fluoroalcanos.
ES2014060A6 (es) Procedimiento para la obtencion de productos farmaceuticos que actuan en particualr sobre el corazon y el sistema cardiovascular.
AR212989A1 (es) Procedimiento para el fraccionamiento mediante refrigeracion de los gases de destilacion en las instalaciones para la produccion de etileno
ES2100462T3 (es) Procedimiento para separar anomeros de 2-desoxi-2,2-difluoro-d-ribofuranosilo alquilsulfonato.
ES2148948T3 (es) Procedimiento para la fabricacion de espumas de poliuretano rigidas expandidas con hidrocarburos.
MX168249B (es) Reparacion a temperatura ambiente de articulos elastomericos que tienen un hueco o deformidad en los mismos
ES2139965T3 (es) Benzoilguanidinas sustituidas con grupos de caracter basico, procedimiento para su preparacion, su utilizacion como medicamento o agente de diagnostico, asi como medicamento que las contiene.
ES8703915A1 (es) Procedimiento de obtencion de composiciones polimerizables a base de uretanos insaturados
ES2113450T3 (es) Poliesterpolioles insaturados y su uso en lacas de poliuretano de dos componentes.
ES2097756T3 (es) Composiciones termoplasticas resistentes al fuego que comprenden polimeros alquenilaromaticos.
ES2132360T3 (es) Visera de equipo de cabeza con transmision variable.

Legal Events

Date Code Title Description
FG2A Definitive protection

Ref document number: 331941

Country of ref document: ES