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:
Aug. 17, 2021
Filed:
Aug. 30, 2018
Applicant:
Trinseo Europe Gmbh, Horgen, CH;
Inventor:
Mark Vreys, Oostakker, BE;
Assignee:
TRINSEO EUROPE GMBH, Horgen, CH;
Primary Examiner:
Int. Cl.
CPC ...
C08L 69/00 (2006.01); C09D 169/00 (2006.01); B32B 27/36 (2006.01); C08K 3/04 (2006.01); C08K 3/34 (2006.01); B32B 27/20 (2006.01); C08K 13/02 (2006.01);
U.S. Cl.
CPC ...
C08L 69/00 (2013.01); B32B 27/20 (2013.01); B32B 27/365 (2013.01); C08K 13/02 (2013.01); B32B 2307/408 (2013.01); B32B 2439/40 (2013.01); B32B 2457/00 (2013.01); B32B 2535/00 (2013.01); B32B 2605/08 (2013.01);
Abstract
A composition comprising one or more polymers consisting of polycarbonate or a copolymer of greater than 50 mole percent of polycarbonate units and less than 50 mole percent of monomer units which copolymerize with polycarbonate units; 5 to 20 percent by weight of one or more minerals containing high aspect ratio CaSiO, optionally a buffering agent for basic materials and optionally one or more antioxidants useful with polycarbonate containing compositions. Also disclosed are sheets containing one or more layers of this composition. The sheets exhibit matte surface appearance and are easily recyclable.