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:
Oct. 04, 2016
Filed:
Feb. 21, 2013
Applicant:
Idemitsu Kosan Co., Ltd., Chiyoda-ku, Tokyo, JP;
Inventors:
Kengo Hirata, Sodegaura, JP;
Hironobu Morishita, Sodegaura, JP;
Assignee:
IDEMITSU KOSAN CO., LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 64/10 (2006.01); C08G 64/14 (2006.01); C08G 64/06 (2006.01); C08G 64/28 (2006.01); C09D 169/00 (2006.01); G03G 5/07 (2006.01); G03G 5/05 (2006.01);
U.S. Cl.
CPC ...
C08G 64/14 (2013.01); C08G 64/06 (2013.01); C08G 64/28 (2013.01); C09D 169/00 (2013.01); G03G 5/0564 (2013.01); G03G 5/0589 (2013.01); G03G 5/0596 (2013.01); G03G 5/075 (2013.01);
Abstract
A polycarbonate copolymer including a repeating unit represented by the following formula (1) and having a copolymerization molar ratio represented by Ar/(Ar+Ar) of 30 mol % or more and 47 mol % or less. In the formula (1), Aris a group represented by the following formula (2a) or (2b) and Aris a group represented by the following formula (3); and n is an average number of repetition and is 1.12 or more and 2.34 or less.
Hirata, Kengo. (2016). Polycarbonate copolymer (U.S. Patent No. 9458291). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9458291
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile