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:
Sep. 08, 2020
Filed:
Jul. 19, 2017
Applicant:
Mitsubishi Gas Chemical Company, Inc., Tokyo, JP;
Inventors:
Noriyuki Kato, Tokyo, JP;
Mitsuteru Kondo, Tokyo, JP;
Kentaro Ishihara, Tokyo, JP;
Munenori Shiratake, Ibaraki, JP;
Koji Hirose, Tokyo, JP;
Shinya Ikeda, Tokyo, JP;
Kensuke Oshima, Tokyo, JP;
Shuya Nagayama, Tokyo, JP;
Shoko Suzuki, Tokyo, JP;
Assignee:
MITSUBISHI GAS CHEMICAL COMPANY, INC., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 64/04 (2006.01); G02B 1/04 (2006.01); C08G 64/30 (2006.01);
U.S. Cl.
CPC ...
C08G 64/04 (2013.01); C08G 64/30 (2013.01); C08G 64/305 (2013.01); G02B 1/04 (2013.01); G02B 1/041 (2013.01);
Abstract
The present invention provides a polycarbonate resin having a high refractive index, low Abbe number, and high moist heat resistance. The above problem, according to one embodiment, can be solved by a polycarbonate resin including structural units represented by general formula (1).