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:
Sep. 13, 2022
Filed:
Jan. 18, 2019
Mitsubishi Gas Chemical Company, Inc., Tokyo, JP;
Munenori Shiratake, Ibaraki, JP;
Kentaro Ishihara, Tokyo, JP;
Koji Hirose, Tokyo, JP;
Shinya Ikeda, Tokyo, JP;
Noriyuki Kato, Tokyo, JP;
Mitsuteru Kondo, Tokyo, JP;
Shoko Suzuki, Tokyo, JP;
Kensuke Oshima, Tokyo, JP;
Shuya Nagayama, Tokyo, JP;
MITSUBISHI GAS CHEMICAL COMPANY, INC., Tokyo, JP;
Abstract
The present application provides a polycarbonate resin composition which has a high refractive index and a low Abbe number, and high thermal stability. The polycarbonate resin composition according to one embodiment of the present application includes a polycarbonate resin and an antioxidant, wherein the polycarbonate resin contains a constituent unit represented by general formula (1) (in general formula (1), X represents an alkylene group having 1-4 carbon atoms, and a and b each independently represent an integer of 1-10), and the antioxidant content is 1-3000 ppm.