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:
Mar. 19, 1991
Filed:
May. 08, 1987
Applicant:
Inventors:
Paul Winfried, Pittsburgh, PA (US);
Hans-Josef Buysch, Krefeld, DE;
Wolfgang Nising, Augustin, DE;
Thomas Scholl, Meerbusch, DE;
Assignee:
Bayer Aktiengesellschaft, Leverkusen, DE;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08K / ; C08K / ; C08L / ;
U.S. Cl.
CPC ...
524 86 ; 524 91 ; 524544 ;
Abstract
This invention relates to branched thermoplastic polycarbonates containing hydroxybenzotriazoles corresponding to the following general formula (I): ##STR1##
Winfried, Paul. (1991). Branched thermoplastic polycarbonates having improved protection against (U.S. Patent No. 5001177). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5001177
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile