ES2089384T3 - Metodo para la preparacion de espumas polimericas y composiciones quimicas usadas en dicho metodo. - Google Patents

Metodo para la preparacion de espumas polimericas y composiciones quimicas usadas en dicho metodo.

Info

Publication number
ES2089384T3
ES2089384T3 ES92300954T ES92300954T ES2089384T3 ES 2089384 T3 ES2089384 T3 ES 2089384T3 ES 92300954 T ES92300954 T ES 92300954T ES 92300954 T ES92300954 T ES 92300954T ES 2089384 T3 ES2089384 T3 ES 2089384T3
Authority
ES
Spain
Prior art keywords
preparation
compositions used
chemical compositions
polymeric foams
reborage
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
ES92300954T
Other languages
English (en)
Inventor
Herbert Russell Gillis
Aaldrik Roelf Postema
Drik Stanssens
David Randall
Vos Rik De
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.)
Imperial Chemical Industries Ltd
Original Assignee
Imperial Chemical Industries Ltd
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
Application filed by Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Application granted granted Critical
Publication of ES2089384T3 publication Critical patent/ES2089384T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • 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
    • C08J9/0014—Use of organic additives
    • C08J9/0028—Use of organic additives containing nitrogen
    • 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
    • C08G18/30—Low-molecular-weight compounds
    • C08G18/32—Polyhydroxy compounds; Polyamines; Hydroxyamines
    • C08G18/3203—Polyhydroxy compounds
    • C08G18/3218—Polyhydroxy compounds containing cyclic groups having at least one oxygen atom in the ring
    • 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
    • C08G18/30—Low-molecular-weight compounds
    • C08G18/38—Low-molecular-weight compounds having heteroatoms other than oxygen
    • C08G18/3819—Low-molecular-weight compounds having heteroatoms other than oxygen having nitrogen
    • C08G18/3842—Low-molecular-weight compounds having heteroatoms other than oxygen having nitrogen containing heterocyclic rings having at least one nitrogen atom in the ring
    • C08G18/3848—Low-molecular-weight compounds having heteroatoms other than oxygen having nitrogen containing heterocyclic rings having at least one nitrogen atom in the ring containing two nitrogen atoms in the ring
    • 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
    • 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
    • C08G2110/0008—Foam properties flexible
    • 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
    • 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
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2110/00—Foam properties
    • C08G2110/0083—Foam properties prepared using water as the sole blowing agent
    • 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
    • C08G2115/00—Oligomerisation
    • C08G2115/02—Oligomerisation to isocyanurate groups
    • 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
    • C08G2330/00—Thermal insulation material
    • C08G2330/50—Evacuated open-celled polymer material
    • 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)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)

Abstract

UN METODO PARA LA PREPARACION DE ESPUMAS RIGIDAS HACIENDO REACCIONAR UN POLIISOCIANATO ORGANICO CON UN MATERIAL REACTIVO AL OSICIANATO EN PRESENCIA DE UN PROMOTOR DE FUSION CARACTERIZADO POR QUE EL MATERIAL REACTIVO AL ISOCIANATO CONTIENE AL MENOS UN CARBONATO CICLICO REACTIVO AL ISOCIANATO O UNA UREA CICLICA REACTIVA AL ISOCIANATO, LA REACCION QUE SE ESTA REALIZANDO EN PRESENCIA DE UN LIQUIDO ORGANICO INSOLUBLE E INERTE ESTA PRESENTE COMO LA FASE DISPERSA DE UNA EMULSION O UNA MICROEMULSION, Y EN LA PRESENCIA DE UN CATALIZADOR DE SAL DE METAL.
ES92300954T 1991-02-04 1992-02-04 Metodo para la preparacion de espumas polimericas y composiciones quimicas usadas en dicho metodo. Expired - Lifetime ES2089384T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB919102362A GB9102362D0 (en) 1991-02-04 1991-02-04 Polymeric foams

Publications (1)

Publication Number Publication Date
ES2089384T3 true ES2089384T3 (es) 1996-10-01

Family

ID=10689502

Family Applications (2)

Application Number Title Priority Date Filing Date
ES92300954T Expired - Lifetime ES2089384T3 (es) 1991-02-04 1992-02-04 Metodo para la preparacion de espumas polimericas y composiciones quimicas usadas en dicho metodo.
ES92300955T Expired - Lifetime ES2074819T3 (es) 1991-02-04 1992-02-04 Fabricacion de elastomeros celulares y composiciones quimicas usadas para la misma.

Family Applications After (1)

Application Number Title Priority Date Filing Date
ES92300955T Expired - Lifetime ES2074819T3 (es) 1991-02-04 1992-02-04 Fabricacion de elastomeros celulares y composiciones quimicas usadas para la misma.

Country Status (12)

Country Link
US (1) US5578656A (es)
EP (2) EP0498628B1 (es)
JP (2) JP3133127B2 (es)
KR (2) KR100213557B1 (es)
AU (2) AU642335B2 (es)
CA (2) CA2060530A1 (es)
DE (2) DE69212342T2 (es)
ES (2) ES2089384T3 (es)
FI (1) FI920472L (es)
GB (3) GB9102362D0 (es)
HK (2) HK191696A (es)
ZA (2) ZA92673B (es)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5703136A (en) * 1991-02-04 1997-12-30 Imperial Chemical Industries Plc Polymeric foams
GB9102362D0 (en) * 1991-02-04 1991-03-20 Ici Plc Polymeric foams
US5439948A (en) * 1991-11-20 1995-08-08 Imperial Chemical Industries Plc Process for cellular polymeric products
GB9224910D0 (en) * 1992-11-27 1993-01-13 Ici Plc Polyol compositions
US5428104A (en) * 1992-11-27 1995-06-27 Imperial Chemical Industries Plc Polyol compositions
US5652278A (en) * 1993-06-22 1997-07-29 Imperial Chemical Industries Plc Microvoid polyurethane materials
GB9314556D0 (en) * 1993-07-14 1993-08-25 Ici Plc Rigid polyurethane foams
US5346928A (en) * 1993-09-09 1994-09-13 Imperial Chemical Industries Plc Rigid polyurethane foams
GB9324511D0 (en) * 1993-11-30 1994-01-19 Ici Plc Process for rigid polyurethane foams
GB9400326D0 (en) * 1994-01-10 1994-03-09 Ici Plc Rigid polyurethane foams
DE69600838T2 (de) * 1995-02-16 1999-04-15 Imperial Chemical Industries Plc, London Verfahren zur herstellung von polyurethan-hartschaumstoffen
CN1076460C (zh) * 1995-04-13 2001-12-19 亨茨曼Ici化学品有限公司 非平面抽空绝缘板,其制造方法及应用
EP0830404B1 (en) * 1995-05-18 2000-01-05 Huntsman ICI Chemicals LLC Rigid polyurethane foams and process of their preparation
ZA966885B (en) * 1995-08-22 1998-02-16 Du Pont Merck Pharma Substituted cyclic ureas and derivatives thereof useful as retroviral protease inhibitors.
BR9611992A (pt) * 1995-12-11 1999-03-02 Ici Plc Processo para produzir uma unidade de isolamento térmico e a respectiva unidade
JP2000515913A (ja) * 1996-07-30 2000-11-28 インペリアル・ケミカル・インダストリーズ・ピーエルシー ポリウレタン発泡体の製造方法
EP0935625B1 (en) 1996-11-04 2001-06-27 Huntsman International Llc Rigid polyurethane foams
ES2149580T3 (es) 1996-11-04 2000-11-01 Huntsman Ici Chem Llc Espumas rigidas de poliuretano.
GB2324798B (en) * 1997-05-01 1999-08-18 Ici Plc Open celled cellular polyurethane products
JP2001526728A (ja) * 1997-05-29 2001-12-18 ハンツマン・アイシーアイ・ケミカルズ・エルエルシー 硬質ポリウレタンフォーム
DE19744747A1 (de) * 1997-10-10 1999-04-15 Basf Ag Verfahren zur Herstellung von Polyurethan-Weichschaumstoffen
AU2275599A (en) * 1998-01-19 1999-08-02 Huntsman International Llc Evacuated insulation panel
CA2323054A1 (en) * 1998-04-02 1999-10-14 Huntsman Ici Chemicals Llc Process for rigid polyurethane foams
US7671104B2 (en) 1999-02-13 2010-03-02 Bayer Materialscience Ag Fine cell, water-blown rigid polyurethane foams
DE19917787A1 (de) 1999-04-20 2000-11-02 Bayer Ag Komprimierte Polyurethanhartschaumstoffe
EP1577332A1 (en) 2004-03-15 2005-09-21 Huntsman International Llc Process for making rigid polyurethane foams
KR20140054308A (ko) 2011-08-23 2014-05-08 바스프 에스이 마이크로에멀션
EP2886591A1 (de) 2013-12-19 2015-06-24 Evonik Industries AG Zusammensetzung, geeignet zur Herstellung von Polyurethanschäumen, enthaltend mindestens ein Nukleierungsmittel
EP3372625A1 (de) 2017-03-07 2018-09-12 Covestro Deutschland AG Polyurethanschaum und verfahren zu seiner herstellung
EP3560970A1 (de) 2018-04-25 2019-10-30 Covestro Deutschland AG Offenzelliger polyurethanhartschaum und dessen verwendung
KR102914618B1 (ko) * 2020-04-21 2026-01-20 에보니크 오퍼레이션즈 게엠베하 폴리우레탄 절연 발포체 및 그의 제조
US20240247123A1 (en) * 2023-01-13 2024-07-25 Seho Inc. Foaming agent composition for polyurethane and method of preparing polyurethane foam using same
KR20250152312A (ko) * 2024-04-16 2025-10-23 주식회사 세호 단열성이 우수한 경질 폴리우레탄 발포체 조성물

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA834821A (en) * 1970-02-17 J. Hutzler George Stabilized polyurethane composition
US3224983A (en) * 1962-05-21 1965-12-21 Scott Paper Co Process of foaming a carbonate containing polymer containing an initiator
FR1447850A (fr) * 1964-09-30 1966-07-29 Basf Ag Procédé de fabrication de corps moulés réticulés hautement élastiques à base de polyuréthanes
US3563937A (en) * 1968-03-20 1971-02-16 Monsanto Co Monovinylidene aromatic hydrocarbons-half esters of unsaturated di-carboxylic acids or anhydrides as resinous binders for printing inks
US3663506A (en) * 1970-11-18 1972-05-16 Union Carbide Corp Stabilization of urethane polymers with substituted ureas
DE2415150A1 (de) * 1974-03-29 1975-10-16 Hoechst Ag Porenregler fuer polyurethane
US4098729A (en) * 1974-04-08 1978-07-04 Th. Goldschmidt Ag Process of producing cross-linked urethane-group comprising foams of open-cell structure
US4094827A (en) * 1976-10-18 1978-06-13 Texaco Development Corporation Substituted ureas as polyurethane catalysts
US4154391A (en) * 1978-02-27 1979-05-15 Girty Kenneth E Combined crop and longeing whip
US4194069A (en) * 1978-10-16 1980-03-18 Texaco Development Corporation Urea derivative and use as polyurethane catalyst
US4485032A (en) * 1983-09-12 1984-11-27 The Dow Chemical Company Compatible polyol blends
GB8816945D0 (en) * 1988-07-15 1988-08-17 Ici Plc Polymeric foams
GB8921182D0 (en) * 1989-09-19 1989-11-08 Ici Plc Novel chemical blowing agent
US5102923A (en) * 1991-01-14 1992-04-07 American Cyanamid Company Rigid polyurethane and polyisocyanurate foams
GB9102362D0 (en) * 1991-02-04 1991-03-20 Ici Plc Polymeric foams

Also Published As

Publication number Publication date
HK191596A (en) 1996-10-25
ZA92727B (en) 1992-11-25
FI920472A0 (fi) 1992-02-04
ZA92673B (en) 1992-11-25
GB9202310D0 (en) 1992-03-18
KR100207943B1 (ko) 1999-07-15
JPH0570548A (ja) 1993-03-23
KR100213557B1 (ko) 1999-08-02
EP0498629A1 (en) 1992-08-12
AU1071792A (en) 1992-08-06
DE69212342D1 (de) 1996-08-29
FI920472A7 (fi) 1992-08-05
JPH0570547A (ja) 1993-03-23
GB9202320D0 (en) 1992-03-18
JP3133127B2 (ja) 2001-02-05
DE69203104T2 (de) 1995-10-26
AU642335B2 (en) 1993-10-14
ES2074819T3 (es) 1995-09-16
EP0498629B1 (en) 1995-06-28
AU649772B2 (en) 1994-06-02
FI920472L (fi) 1992-08-05
GB9102362D0 (en) 1991-03-20
HK191696A (en) 1996-10-25
JP3133128B2 (ja) 2001-02-05
DE69212342T2 (de) 1996-12-05
KR920016494A (ko) 1992-09-24
CA2060590A1 (en) 1992-08-05
EP0498628A1 (en) 1992-08-12
EP0498628B1 (en) 1996-07-24
US5578656A (en) 1996-11-26
DE69203104D1 (de) 1995-08-03
AU1059392A (en) 1992-08-06
KR920016493A (ko) 1992-09-24
CA2060530A1 (en) 1992-08-05

Similar Documents

Publication Publication Date Title
ES2089384T3 (es) Metodo para la preparacion de espumas polimericas y composiciones quimicas usadas en dicho metodo.
EP0236270A3 (de) Verfahren zur Herstellung von eine Wirksubstanz enthaltenden Körpern und deren Verwendung als Speckles
AR246089A1 (es) Un producto de reaccion no gelificado de un poliepoxido y un material que contiene un hidrogeno activo que tiene por lo menos dos hidrogenos activos por molecula.
ES431706A1 (es) Un procedimiento de preparacion de emulsiones de compuestosfluorados en agua o en soluciones salinas.
KR960014074A (ko) 이소파라핀에 의한 아필렌의 알킬화 중 합성 이소펜탄 생성 억제 방법
GT197854449A (es) Productos hidrogenados selectivos de compuestos c-076 y sus derivados
MY119146A (en) Sequential application method for treating plants with exogenous chemicals
ATE136314T1 (de) Polyurethan- und/oder polyharnstoff-dispersionen in aktiven wasserstoff enthaltenden zusammensetzungen, verfahren zu deren herstellung, sowie deren reaktionsprodukte mit polyisocyanaten
AR241088A2 (es) Composicion de resina electrodepositable catodica, metodo para depossitar, baño acuoso de revestimiento y articulo revestido con dicha composicion.
ATE39121T1 (de) Reversibel blockierte katalysatoren enthaltende polyisocyanat-zubereitungen, ein verfahren zu ihrer herstellung, ihre verwendung zur herstellung von polyurethankunststoffen, sowie anlagerungsprodukte von sulfonylisocyanaten an katalysatoren mit zinn(ii)- bzw. zinn(iv)carboxylat-struktur.
ES2101953T3 (es) Compuestos de cerio iv organicos y su preparacion y utilizacion.
ES2091414T3 (es) Proceso para productos polimeros celulares.
Nielsen et al. Biodegradation of coproducts of commercial linear alkylbenzene sulfonate
ES2121216T3 (es) Espumas de poliuretano rigidas.
Amatore et al. Mechanism of nickel-catalysed electron transfer activation of aromatic halides: Part 2. Electrocarboxylation of bromobenzene
DE59400905D1 (de) Grenzflächenchemisch aktive verbindungen aus nachwachsenden rohstoffen
MX158145A (es) Mejoras en proceso para microencapsular gotas de liquido hidrofilo en fase continua hidrofoba
Howard et al. Chlorofluorocarbon sources of environmental contamination
ES2028275T3 (es) Un agente de curtido.
ES2043238T3 (es) Agente y proceso para la limpieza de sistemas de irrigacion o distribucion de agua usados en por ejemplo agricultura y horticultura.
JPS51149164A (en) A process for decomposition of formic acid
Shoute Electron transfer reactions of radical cation and anion of (R)-(−)-1, 1 ‘-binaphthyl-2, 2 ‘-diyl hydrogen phosphate in aqueous solution. A pulse radiolysis study
Zubovich Oxidation--Reduction Catalysis by Palladium--Gold and Palladium--Silver Systems on Different Types of Carrier
Burke University of Connecticut Institute of Water Resources Final Report for Grant No. 14-08-0001-G 832, FY 83-84
ES2077695T3 (es) Agente antisedimentante para mezclas liquidas endurecibles.

Legal Events

Date Code Title Description
FG2A Definitive protection

Ref document number: 498628

Country of ref document: ES

FG2A Definitive protection

Ref document number: 498628

Country of ref document: ES