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:
May. 12, 1981
Filed:
Jul. 05, 1979
Applicant:
Inventors:
Assignee:
Th. Goldschmidt AG, Essen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08J / ;
U.S. Cl.
CPC ...
260-23 ; 521156 ; 521167 ;
Abstract
A method for easily degrading wastes consisting of the reaction products of organic materials containing isocyanate groups and specifically foamed polyurethane wastes by comminuting the waste and reacting it with alkylene oxide at 120.degree. C. to 200.degree. C. and removing the unreacted alkylene oxide. The products obtained are homogeneous liquids which can be added to polyols for reaction with isocyanates to form foamed polyurethanes.