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. 07, 1987
Filed:
Nov. 08, 1985
Applicant:
Inventors:
Assignee:
Bayer Aktiengesellschaft, Leverkusen, DE;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
524871 ; 528 65 ; 528 66 ; 528 85 ;
Abstract
The present invention relates to a process for the production of modified organic polyisocyanates containing urethane, carboxylic acid anhydride and biuret groups by reacting excess quantities of organic diisocyanates with a modifying agent containing
Konig, Klaus. (1987). Process for the production of modified polyisocyanates, the compounds (U.S. Patent No. 4656223). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4656223
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile