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:
Apr. 14, 1998
Filed:
Sep. 20, 1995
Applicant:
Inventors:
Heinz-Dieter Lutter, Neckargemuend, DE;
Ruth Zschiesche, Mannheim, DE;
Hans-Jurgen Gabbert, Wildeshausen, DE;
Volker Hasse, Schoengeising, DE;
Karl Fimmel, Brakel, DE;
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
521 99 ; 521100 ; 521106 ; 521123 ; 521127 ; 521128 ; 524589 ; 524590 ; 524591 ;
Abstract
A process for the preparation of flame-resistant soft polyurethane foams which produce less smoke in the event of fire involves reacting a) an organic polyisocyanate and/or a modified organic polyisocyanate with b) a high-molecular-weight compound containing at least two reactive hydrogen atoms and, if desired, c) a chain extender and/or crosslinking agent, in the presence of d) a mixture of flameproofing agents which contains: