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:
Apr. 30, 2024
Filed:
Jul. 31, 2019
Applicant:
Shpp Global Technologies B.v., Bergen Op Zoom, NL;
Inventors:
Wei Zhao, Mt. Vernon, IN (US);
Roy Ray Odle, Mt. Vernon, IN (US);
Paul Dean Sybert, Mt. Vernon, IN (US);
Assignee:
SHPP GLOBAL TECHNOLOGIES B.V., Bergen op Zoom, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L 69/00 (2006.01); C08G 64/12 (2006.01); C08K 3/32 (2006.01); C08K 5/42 (2006.01); C08K 5/524 (2006.01);
U.S. Cl.
CPC ...
C08L 69/00 (2013.01); C08G 64/12 (2013.01); C08K 3/32 (2013.01); C08K 5/42 (2013.01); C08K 5/524 (2013.01); C08K 2003/329 (2013.01); C08L 2201/08 (2013.01); C08L 2201/10 (2013.01);
Abstract
Provided are copolycarbonate compositions including a stabilizer package which comprise a phosphorous-containing acid, an ester of phosphorous-containing acid, and an organosulfonic stabilizer where the phosphorous-containing acid and the ester of a phosphorous-containing acid are present in a molar ratio of 1 to 2. The total stabilization package is for example, in the amount by weight of 4 to 32 ppm, 8 to 24 ppm, or 8 to 16 ppm and the organosulfonic stabilizer is, e.g., of 2 to 30 ppm, or 4 to 24 ppm, or 8 to 16 ppm.