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:
Dec. 23, 2003
Filed:
Feb. 20, 2002
Applicant:
Inventors:
James-Michael Barnes, Breitscheid, DE;
Manfred Schmidt, Dormagen, DE;
Stefan Wershofen, Mönchengladbach, DE;
Andreas Hoffmann, Köln, DE;
Assignee:
Bayer Aktiengesellschaft, Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 1/810 ;
U.S. Cl.
CPC ...
C08G 1/810 ;
Abstract
This invention relates to a process for producing prepolymers, which contain isocyanate terminal groups and which have a very low content of free isocyanate starting materials, from polyester polyols and polyisocyanates.
Barnes, James-Michael. (2003). Method for producing prepolymers containing isocyanate end groups, incorporating a small proportion of base isocyanates (U.S. Patent No. 6667370). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6667370
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile