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:
Mar. 31, 2020
Filed:
Aug. 21, 2018
Applicant:
Fujifilm Corporation, Tokyo, JP;
Inventors:
Naoyuki Morooka, Ashigarakami-gun, JP;
Shigeki Uehira, Ashigarakami-gun, JP;
Takafumi Nakayama, Ashigarakami-gun, JP;
Assignee:
FUJIFILM Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 64/02 (2006.01); C08G 64/16 (2006.01); C08G 64/24 (2006.01); C08G 64/06 (2006.01); G02B 1/04 (2006.01);
U.S. Cl.
CPC ...
C08G 64/1608 (2013.01); C08G 64/06 (2013.01); C08G 64/24 (2013.01); G02B 1/041 (2013.01);
Abstract
Disclosed is a polycarbonate resin including a constitutional unit represented by Formula (1). The resin provides a molded article having a sufficiently low Abbe number and excellent durability under high temperature and high humidity. Rto Rare a hydrogen atom or a substituent having σof less than −0.15, Rto Rrepresent a substituent, Arand Arrepresent an aryl or heteroaryl group, and Aris an aromatic fused ring group.