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:
Aug. 22, 2023
Filed:
Oct. 08, 2019
Applicant:
Mitsubishi Gas Chemical Company, Inc., Tokyo, JP;
Inventors:
Manabu Hirakawa, Kanagawa, JP;
Noriyuki Kato, Tokyo, JP;
Eiichi Honda, Kanagawa, JP;
Yasuaki Yoshimura, Kanagawa, JP;
Yuichiro Satake, Kanagawa, JP;
Assignee:
MITSUBISHI GAS CHEMICAL COMPANY, INC., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 63/64 (2006.01); C08G 63/85 (2006.01); G02B 1/04 (2006.01);
U.S. Cl.
CPC ...
C08G 63/64 (2013.01); C08G 63/85 (2013.01); G02B 1/041 (2013.01);
Abstract
A polyester carbonate resin is provided and includes a constituent unit represented by the following general formula (1), a constituent unit represented by the following general formula (2), and a constituent unit represented by the following general formula (3): wherein R represents hydrogen or an alkyl group containing 1 to 4 carbon atoms, wherein Q represents the following: wherein n and m each independently represent an integer of 0 to 5, and