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:
Jun. 23, 2020
Filed:
Apr. 03, 2017
Applicant:
Mitsubishi Gas Chemical Company, Inc., Tokyo, JP;
Inventor:
Manabu Hirakawa, Kanagawa, JP;
Assignee:
MITSUBISHI GAS CHEMICAL COMPANY, INC., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 64/02 (2006.01); C08G 64/16 (2006.01); G02B 1/04 (2006.01); C08G 64/30 (2006.01); C08J 5/18 (2006.01);
U.S. Cl.
CPC ...
C08G 64/1608 (2013.01); C08G 64/02 (2013.01); C08G 64/0208 (2013.01); C08G 64/16 (2013.01); C08G 64/307 (2013.01); C08J 5/18 (2013.01); G02B 1/041 (2013.01); C08J 2369/00 (2013.01);
Abstract
The present invention makes it possible to provide a polycarbonate copolymer including structural units represented by general formula (K) and structural units represented by general formula (1). (In general formula (K), R represents H, CHor CHCH.) (In general formula (1), Q represents a C5 or higher aliphatic hydrocarbon group optionally including a hetero atom.).