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:
Oct. 09, 2012

Filed:

Nov. 16, 2011
Applicants:

Shinya Tanaka, Sagamihara, JP;

Hiroshi Nakai, Yokohama, JP;

Masato Iio, Yokohama, JP;

Masahide Yamashita, Tokyo, JP;

Kunio Hasegawa, Isehara, JP;

Naoyuki Ozaki, Ebina, JP;

Inventors:

Shinya Tanaka, Sagamihara, JP;

Hiroshi Nakai, Yokohama, JP;

Masato Iio, Yokohama, JP;

Masahide Yamashita, Tokyo, JP;

Kunio Hasegawa, Isehara, JP;

Naoyuki Ozaki, Ebina, JP;

Assignee:

Ricoh Company, Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 21/00 (2006.01); G03G 13/16 (2006.01);
U.S. Cl.
CPC ...
Abstract

A protective agent for an image bearing member of an image forming apparatus. The protective agent is applied onto a surface of the image bearing member and includes a hydrophobic organic compound (A), an inorganic fine particle (B), and an inorganic lubricant (C).


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