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:
Oct. 07, 2025
Filed:
Aug. 10, 2018
Shpp Global Technologies B.v., Bergen Op Zoom, NL;
Wei Shan, Shanghai, CN;
Siguang Jiang, Shanghai, CN;
Ying Na, Shanghai, CN;
Rahul Patil, Evansville, IN (US);
Peter Vollenberg, Evansville, IN (US);
SHPP GLOBAL TECHNOLOGIES B.V., Bergen Op Zoom, NL;
Abstract
A polycarbonate composition includes: 10 to 99 wt % of one or more bisphenol A polycarbonate homopolymers based on the total weight of the polycarbonate composition; a poly(carbonate-siloxane) having a siloxane content of 30 to 70 wt %, preferably 35 to 65 wt %, based on the total weight of the poly(carbonate-siloxane), optionally wherein the poly(carbonate-siloxane) is a poly(carbonate-siloxane) elastomer, in an amount effective to provide a total siloxane content of 0.5 to 10 wt % based on the total weight of the polycarbonate composition; and wherein a sample of the composition has improved chemical resistance as compared to a reference composition.