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. 29, 2015
Filed:
Feb. 20, 2013
Mitsuaki Hirose, Shizuoka, JP;
Akihiro Sugino, Shizuoka, JP;
Noboru Toriu, Shizuoka, JP;
Keisuke Shimoyama, Shizuoka, JP;
Tomoharu Asano, Shizuoka, JP;
Mitsuaki Hirose, Shizuoka, JP;
Akihiro Sugino, Shizuoka, JP;
Noboru Toriu, Shizuoka, JP;
Keisuke Shimoyama, Shizuoka, JP;
Tomoharu Asano, Shizuoka, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
In a photoreceptor including an electroconductive substrate; a photosensitive layer; and a protective layer, the protective layer includes a crosslinked resin having a residual group of a polycarboxylic acid compound and a group having the below-mentioned formula (10), and at least one of a compound having the below-mentioned formula (2) and a compound having the below-mentioned formula (3). wherein each of R5 and R6 independently represents a hydrogen atom, or a substituted or unsubstituted alkyl group having 1 to 3 carbon atoms. wherein each of Rand Rindependently represents a hydrogen atom, or an alkyl group having 1 to 4 carbon atoms, and Zrepresents a vinylene group, a divalent aromatic hydrocarbon group having 6 to 14 carbon atoms, or a 2,5-thiophenediyl group. wherein each of Arand Arindependently represents an aromatic group having 6 to 14 carbon atoms, Zrepresents a divalent aromatic hydrocarbon group having 6 to 14 carbon atoms, and each of Rand Rindependently represents a hydrogen atom, or a methyl group.