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:
Mar. 10, 2026
Filed:
Feb. 25, 2021
Idemitsu Kosan Co., Ltd., Tokyo, JP;
Takahiro Torii, Taipei, TW;
Shuya Nagayama, Chiba, JP;
IDEMITSU KOSAN CO., LTD., Tokyo, JP;
Abstract
Provided is a polycarbonate resin composition, including: an aromatic polycarbonate resin (A); a predetermined antioxidant (B1); a phenol-based antioxidant (C); an alicyclic epoxy compound (D); and a UV absorber (E), wherein a content of the component (B1) is 0.01 to 0.08 part by mass, a content of the component (C) is 0.005 to 0.15 part by mass, a content of the component (D) is 0.005 to 0.2 part by mass, and a content of the component (E) is 0.1 to 0.4 part by mass with respect to 100 parts by mass of the component (A), and wherein the polycarbonate resin composition is substantially free of bis(2,6-di-tert-butyl-4-methylphenyl)pentaerythritol diphosphite (Z1) and triphenylphosphine (Z2).
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile