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:
Jul. 26, 2011
Filed:
Nov. 26, 2008
Hongguo LI, Numazu, JP;
Kazukiyo Nagai, Numazu, JP;
Kyohji Okada, Fuji, JP;
Tamotsu Horiuchi, Shizuoka-ken, JP;
Hongguo Li, Numazu, JP;
Kazukiyo Nagai, Numazu, JP;
Kyohji Okada, Fuji, JP;
Tamotsu Horiuchi, Shizuoka-ken, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
A photoreceptor including an electroconductive substrate and a photosensitive layer located overlying the electroconductive substrate, the photosensitive layer including a cross-linking surface layer including a cross-linked copolymer of a radical polymerizable monomer (I) having at least three functional groups without a charge transport structure and a radical polymerizable monomer (II) having a charge transport structure, and a polysiloxane-acryl block copolymer having a charge transport property.