Global Patent Index - EP 1091990 A1

EP 1091990 A1 2001-04-18 - METHOD FOR MAKING POLYURETHANE FOAM, AMINE POLYESTER POLYOL USED IN SAID METHOD AND RESULTING FOAM

Title (en)

METHOD FOR MAKING POLYURETHANE FOAM, AMINE POLYESTER POLYOL USED IN SAID METHOD AND RESULTING FOAM

Title (de)

VERFAHREN ZUR HERSTELLUNG VON POLYURETHANSCHAUM, IN DIESEM VERFAHREN VERWENDETES AMINIERTES POLYESTERPOLYOL UND ERHALTENER SCHAUM

Title (fr)

PROCEDE DE FABRICATION DE MOUSSE DE POLYURETHANE, POLYESTER POLYOL AMINE UTILISE DANS CE PROCEDE ET MOUSSE OBTENUE

Publication

EP 1091990 A1 (FR)

Application

EP 99919345 A

Priority

  • FR 9901176 W
  • FR 9806806 A
  • US 72303400 A

Abstract (en)

[origin: FR2779149A1] The invention concerns a method for making a polyurethane foam by reacting at least a polyester polyol with at least a polyisocyanate in the presence of a foaming agent and a catalytic agent, such a polyester polyol having been previously obtained by reacting a reactive acid A comprising at least an aliphatic or aromatic polyacid with functionality not less than 2 with at least a polyol P2 with functionality equal to 2 and at least a polyol P3 with functionality not less than 3, being thereafter called AP2P3, wherein the catalytic agent at least partly consists of at least one amine polyester polyol AP2P3, wherein at least part of polyol P3 consists of at least a polyoxyalkylene polyalkanolamine having at least a tertiary amine function, the alkanol radicals of said polyalkanolamine being C1-C6, the alkylene oxide units being C2-C4 and the statistical mean of the number N of alkylene oxide units per polyoxyalkylene polyalkanolamine being equal to f x X, f being the number of hydroxyl functions per polyalkanolamine molecule and X being a number ranging between 1 and 10, inclusively.

IPC 1-7 (main, further and additional classification)

C08G 18/42; C08G 18/46; C08G 18/50; C08G 63/668; C08G 63/685

IPC 8 full level (invention and additional information)

C08G 18/42 (2006.01); C08G 18/46 (2006.01); C08G 63/685 (2006.01)

CPC (invention and additional information)

C08G 18/4615 (2013.01); C08G 63/6854 (2013.01); C08G 2101/005 (2013.01); C08G 2101/0083 (2013.01)

Citation (search report)

See references of WO 9962980A1

Designated contracting state (EPC)

DE ES FR GB IT SE

EPO simple patent family

FR 2779149 A1 19991203; FR 2779149 B1 20000915; AU 3715399 A 19991220; BR 9910781 A 20010213; CA 2333641 A1 19991209; CA 2333641 C 20040928; EP 1091990 A1 20010418; JP 2002517534 A 20020618; US 6740686 B1 20040525; WO 9962980 A1 19991209

INPADOC legal status


2002-07-24 [18R] REFUSED

- Ref Legal Event Code: 18R

- Effective date: 20020207

2001-09-19 [17Q] FIRST EXAMINATION REPORT

- Ref Legal Event Code: 17Q

- Effective date: 20010808

2001-04-18 [17P] REQUEST FOR EXAMINATION FILED

- Ref Legal Event Code: 17P

- Effective date: 20001201

2001-04-18 [AK] DESIGNATED CONTRACTING STATES:

- Ref Legal Event Code: AK

- Designated State(s): DE ES FR GB IT SE