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:
Apr. 30, 2013

Filed:

Nov. 10, 2009
Applicants:

Minoru Masuda, Shizuoka, JP;

Kimitoshi Yamaguchi, Shizuoka, JP;

Yutaka Takahashi, Shizuoka, JP;

Koichi Sakata, Shizuoka, JP;

Hitoshi Iwatsuki, Shizuoka, JP;

Inventors:

Minoru Masuda, Shizuoka, JP;

Kimitoshi Yamaguchi, Shizuoka, JP;

Yutaka Takahashi, Shizuoka, JP;

Koichi Sakata, Shizuoka, JP;

Hitoshi Iwatsuki, Shizuoka, JP;

Assignee:

Ricoh Company, Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 9/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

The present invention provides a carrier which includes core material particles, and a coating layer on surfaces of the core material particles, wherein the coating layer contains a crosslinked product which is obtained by condensation of a silicone resin with an organic zirconium catalyst, the silicone resin having at least one of a silanol group and a functional group capable of generating a silanol group by means of hydrolysis.


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