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. 11, 2021
Filed:
May. 05, 2017
Sabic Global Technologies B.v., Bergen op Zoom, NL;
Christopher Luke Hein, Evansville, IN (US);
Rahul Patil, Evansville, IN (US);
Bing Zhou, Evansville, IN (US);
Guangxin Lin, Mount Vernon, IN (US);
Chelsea Schmidt, Wadesville, IN (US);
David Zoller, Evansville, IN (US);
Shuailei Ma, Evansville, IN (US);
Chester Hassman, Newburgh, IN (US);
SHPP GLOBAL TECHNOLOGIES B.V., Bergen op Zoom, NL;
Abstract
A polycarbonate copolymer contains aromatic carbonate units; optionally siloxane units; and resorcinol arylate ester units. The resorcinol arylate ester units of the polycarbonate copolymer are derived from a resorcinol composition having a hydroquinone content of 50 to 1200 parts per million, a catechol content of 5 to 29 parts per million, and a phenol content of 0 to 2400, each as determined by high performance liquid chromatography, and further comprising an acid stabilizer.