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:
Nov. 24, 1981
Filed:
Dec. 22, 1980
Applicant:
Inventors:
Peter Horn, Hirschberg, DE;
Anton Hesse, Weinheim, DE;
Peter Weyland, Frankenthal, DE;
Wolfgang Straehle, Heidelberg, DE;
Matthias Marx, Bad Durkheim, DE;
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
521163 ; 521164 ; 521167 ; 521172 ; 521173 ; 521174 ; 521175 ; 521176 ; 521177 ;
Abstract
This invention relates to a process for preparing cellular polymers having urethane groups, isocyanurate groups, or both. The cellular polymers are prepared by reacting an organic polyisocyanate with certain polymer dispersions in the presence of a blowing agent. The polymer dispersions comprise