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. 09, 1978
Filed:
Aug. 17, 1976
Applicant:
Inventors:
Kurt Findeisen, Odenthal, DT;
Kuno Wagner, Leverkusen, DT;
Walter Schafer, Cologne, DT;
Hans J Hennig, Leverkusen, DT;
Assignee:
Bayer Aktiengesellschaft, Leverkusen, DT;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C08G / ; C08G / ;
U.S. Cl.
CPC ...
2604 / ; 560 26 ; 560158 ; 560115 ; 260 / ; 260 / ; 260 / ; 260 / ; 260 / ; 260 / ; 2602 / ; 260389 ; 2603 / ; 2604 / ; 2604 / ; 2604 / ; 2604 / ; 2604 / ; 2605 / ; 252182 ; 544209 ;
Abstract
The present invention relates to a new process for the partial carbodiimidization of the isocyanate groups of organic mono-, or di- and/or polyisocyanates, the mixtures which can be obtained by this process and the use of these mixtures as isocyanate components in the production of polyurethane plastics by the known isocyanate polyaddition process. In general, the process comprises: