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. 13, 1986
Filed:
Oct. 17, 1984
Applicant:
Inventors:
Thomas Scholl, Krefeld, DE;
Reinhard Preuss, Krefeld, DE;
Burkhard Lachmann, Nova Iguacu RJ, BR;
Hartmut Lower, Hilden, DE;
Peter R Muller, Leverkusen, DE;
Assignee:
Bayer Aktiengesellschaft, Leverkusen, DE;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528272 ; 428200 ; 428213 ; 524287 ; 524288 ; 524290 ; 524291 ; 525441 ; 525439 ; 528274 ;
Abstract
The present invention relates to new benzylidenemalonic or vinylogous benzylidenemalonic acid polyesters containing structural units of the formula (I) ##STR1## their preparation and their use for the UV stabilization of thermoplastics, preferably thermoplastic, aromatic polycarbonates, thermoplastic, aromatic polyesters or thermoplastic polymethylmethacrylates.
Scholl, Thomas. (1986). Benzylidenemalonic or vinylogous benzylidenemalonic acid polyesters, (U.S. Patent No. 4588807). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4588807
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile