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:
Dec. 18, 2018
Filed:
Jun. 19, 2017
Mitsubishi Chemical Corporation, Chiyoda-ku, JP;
Michiaki Fuji, Mie, JP;
Kiminori Kawakami, Kanagawa, JP;
Kazuki Fukumoto, Kanagawa, JP;
Hisatoshi Uehara, Kanagawa, JP;
Kenichi Satake, Kanagawa, JP;
Tomoko Maeda, Kanagawa, JP;
Mitsubishi Chemical Corporation, Chiyoda-ku, JP;
Abstract
The present invention relates to a polycarbonate resin containing, in the molecule, a structure represented by the following formula (1): wherein X has a structure represented by any one of the following formula (2) to (4): wherein each of Rto Rindependently represents a hydrogen atom or an organic group having a carbon number of 1 to 30; the organic group may have an arbitrary substituent, and any two or more members of Rto Rmay combine with each other to form a ring, which is excellent in heat resistance, transparency, light resistance, weather resistance and mechanical strength.