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. 03, 2002
Filed:
Dec. 22, 2000
Applicant:
Inventors:
Kohkoku Ri, Shizuoka-ken, JP;
Masaomi Sasaki, Shizuoka-ken, JP;
Kazukiyo Nagai, Shizuoka-ken, JP;
Shinichi Kawamura, Shizuoka-ken, JP;
Assignee:
Ricoh Company Limited, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G03G 5/147 ;
U.S. Cl.
CPC ...
G03G 5/147 ;
Abstract
An image bearing material including a matrix resin and, within the matrix resin, a core/shell graft copolymer including a core including one or more polymers and a shell including a graft polymer which has a linear chain connected with the core and which is formed from one or more monomers. The image bearing material is preferably used for a surface layer of an electrophotographic photoreceptor, an intermediate transfer medium, and the like image bearing members to improve the abrasion resistance thereof.