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:
Jul. 15, 2014
Filed:
May. 17, 2012
Tomohiko Tanaka, Fukuoka, JP;
Masashi Yokogi, Fukuoka, JP;
Nao Murakami, Osaka, JP;
Toshiyuki Iida, Osaka, JP;
Tomohiko Tanaka, Fukuoka, JP;
Masashi Yokogi, Fukuoka, JP;
Nao Murakami, Osaka, JP;
Toshiyuki Iida, Osaka, JP;
Mitsubishi Chemical Corporation, Tokyo, JP;
Nitto Denko Corporation, Ibaraki-shi, JP;
Abstract
The polycarbonate resin of the invention includes a first structural unit derived from a dihydroxy compound represented by a general formula (1), a second structural unit derived from a dihydroxy compound represented by a general formula (2), and a third structural unit derived from at least one dihydroxy compound selected from the group consisting of a dihydroxy compound represented by a general formula (3), a dihydroxy compound represented by a general formula (4), a dihydroxy compound represented by a general formula (5), and a dihydroxy compound represented by a general formula (6), and in which the first structural unit derived from a dihydroxy compound represented by the general formula (1) accounts for 18% by mole or more of the polycarbonate resin. The above general formulae (1) to (6) are described in the specification of the present application.