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. 25, 2018
Filed:
Mar. 31, 2017
Mitsubishi Chemical Corporation, Chiyoda-ku, JP;
Shingo Namiki, Fukuoka, JP;
Yuuichi Hirami, Fukuoka, JP;
MITSUBISHI CHEMICAL CORPORATION, Chiyoda-ku, JP;
Abstract
The object of the present invention is to provide a polycarbonate resin which is excellent in various properties, such as heat resistance, optical properties, melt processability, etc., and an optical film composed of the same and the present invention relates to a polycarbonate resin containing at least a structural unit represented by the following formula (1) and a structural unit represented by the following formula (2): wherein in the formula (1), Rto Reach independently represent a hydrogen atom, an alkyl group having 1 to 12 carbon atoms, an aryl group, an alkoxy group having 1 to 12 carbon atoms, or a halogen atom.