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. 17, 2005
Filed:
Apr. 01, 2004
Applicants:
Helmut-werner Heuer, Krefeld, DE;
Rolf Wehrmann, Krefeld, DE;
Michael Erkelenz, Duisburg, DE;
Inventors:
Assignee:
Bayer Materialscience AG, Leverkusen, DE;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08G064/00 ;
U.S. Cl.
CPC ...
Abstract
A process of preparing a branched (co)polycarbonate resin is disclosed. The process entails using at least one compound conforming to formulae 1a or 1bin which
Heuer, Helmut-Werner. (2005). Highly branched (co)polycarbonates having improved flowability (U.S. Patent No. 6894142). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6894142
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile