The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 30, 1998
Filed:
Nov. 01, 1995
Applicant:
Inventors:
Berend Eling, Bertem, BE;
Eric Huygens, Heverlee, BE;
Assignee:
Imperial Chemical Industries PLC, London, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08J / ; C08G / ;
U.S. Cl.
CPC ...
521125 ; 521114 ; 521116 ; 521117 ; 521130 ; 521159 ; 521160 ; 521174 ;
Abstract
A method for the preparation of flexible polyurethane foams by reacting a polyisocyanate containing at least 85% by weight of 4,4'-diphenylmethane diisocyanate or a liquid variant thereof with a polyol composition comprising at least one poly(oxyethylene-oxyalkylene) polyol having an average nominal hydroxyl functionality of from 2 to 6, a number average hydroxyl equivalent weight of from 1000 to 3000, and an average oxyethylene content of from 50 to 85% by weight and with water in the presence of a catalytically effective amount of an alkali or alkaline earth metal carboxylate salt.