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. 30, 1976
Filed:
Dec. 05, 1973
Applicant:
Inventors:
Karlheinz Wolf, Leverkusen, DT;
Konrad Nonn, Leverkusen, DT;
Reinhold Hornle, Cologne, DT;
Hans Unterbirker, Opladen, DT;
Jurgen Koerner, Opladen, DT;
Assignee:
Bayer Aktiengesellschaft, Leverkusen, DT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ; C08G / ;
U.S. Cl.
CPC ...
260 / ; 8171 ; 260 / ;
Abstract
Dispersions of dyestuffs which contain at least one free amino or hydroxyl group capable of reacting with isocyanates under the conditions of polyaddition and liquids in which the dyes are soluble to an extent less than 2 % are suitable for the production of colored polyurethane foams. The dye dispersions can be added before or during the polyaddition reaction.