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.

Date of Patent:
Dec. 19, 2017

Filed:

Oct. 21, 2016
Applicants:

Tomoharu Asano, Kanagawa, JP;

Eiji Kurimoto, Shizuoka, JP;

Tetsuro Suzuki, Shizuoka, JP;

Daisuke Nii, Shizuoka, JP;

Toshihiro Ishida, Shizuoka, JP;

Inventors:

Tomoharu Asano, Kanagawa, JP;

Eiji Kurimoto, Shizuoka, JP;

Tetsuro Suzuki, Shizuoka, JP;

Daisuke Nii, Shizuoka, JP;

Toshihiro Ishida, Shizuoka, JP;

Assignee:

Ricoh Company, Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 5/00 (2006.01); G03G 5/047 (2006.01); G03G 5/14 (2006.01);
U.S. Cl.
CPC ...
G03G 5/047 (2013.01); G03G 5/142 (2013.01);
Abstract

A photoconductor includes an electroconductive substrate; an undercoat layer overlying the electroconductive substrate; and a photosensitive layer overlying the undercoat layer. The undercoat layer includes a urethane resin, a metal oxide particle and a compound having the following formula (1): wherein R1 to R8 independently represent a hydrogen atom, a nitro group, a cyano group, a halogen atom, a hydroxyl group, a saturated or an unsaturated aliphatic hydrocarbon group optionally having a substituent, an aromatic hydrocarbon group optionally having a substituent, an alkoxy group optionally having a substituent, an aryloxy group optionally having a substituent, a sulfo group optionally having a substituent, an amino group, a dialkylamino group optionally having a substituent or an diarylamino group optionally having a substituent; and R3 and R4, R4 and R5, R6 and R7, and R7 and R8 may be bonded with each other to form an aromatic ring.


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