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:
Dec. 27, 2016
Filed:
Dec. 26, 2012
Applicant:
Idemitsu Kosan Co., Ltd., Tokyo, JP;
Inventor:
Kengo Hirata, Sodegaura, JP;
Assignee:
IDEMITSU KOSAN CO., LTD., Toyko, JP;
Primary Examiner:
Int. Cl.
CPC ...
G03G 5/05 (2006.01); C08G 63/64 (2006.01); G03G 5/07 (2006.01); C09D 177/10 (2006.01); C09D 177/12 (2006.01); C08G 69/32 (2006.01); C08G 69/44 (2006.01); C08G 64/12 (2006.01); C09D 169/00 (2006.01);
U.S. Cl.
CPC ...
G03G 5/075 (2013.01); C08G 63/64 (2013.01); C08G 64/12 (2013.01); C08G 69/32 (2013.01); C08G 69/44 (2013.01); C09D 169/005 (2013.01); C09D 177/10 (2013.01); C09D 177/12 (2013.01); G03G 5/0564 (2013.01);
Abstract
A polycarbonate copolymer, a coating liquid and an electrophotographic photosensitive body are provided. The polycarbonate copolymer has good abrasion resistance and stable solubility in an organic solvent. The copolymer comprises a repeating unit A of formula (1); a repeating unit B of formula (2); and a repeating unit C of formula (3), in which: the polycarbonate copolymer has a presence ratio represented by Ar/(Ar+Ar+Ar) of from 50 to 65 mol %, a presence ratio represented by Ar/(Ar+Ar+Ar) of from 25 to 45 mol %, and a presence ratio represented by Ar/(Ar+Ar+Ar) of from 3 to 25 mol %: