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:
Mar. 28, 2000
Filed:
Nov. 04, 1997
Applicant:
Inventors:
Eric Huygens, Heverlee, BE;
Jan Willem Leenslag, Tremelo, BE;
Assignee:
Imperial Chemical Industries PLC, London, GB;
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
521133 ; 521155 ;
Abstract
Process for preparing rigid and flexible polyurethane foams by reacting a polyisocyanate and a polyol in the presence of water and CO.sub.2. The foams obtained do not show a major glass transition temperature between -100.degree. C. and +25.degree. C. and have improved air flow properties.