Image-bearing member protecting agent, protective layer forming device, image forming method, image forming apparatus, and process cartridge

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United States of America Patent

PATENT NO 8452222
APP PUB NO 20100239309A1
SERIAL NO

12659517

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Abstract

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An image-bearing member protecting agent including a fatty acid metal salt, and an inorganic lubricant, wherein the image-bearing member protecting agent is a solid formed by compression molding a particulate or granulated raw material containing the fatty acid metal salt and the inorganic lubricant, and applied or adhered to a surface of an image bearing member, and wherein the image-bearing member protecting agent has a front surface which is a side of the image-bearing member protecting agent to be used at the beginning, and a rear surface which is a side thereof to be left when most of the image-bearing member protecting agent is used up, and the image-bearing member protecting agent has a density decreasing from the front surface toward the rear surface.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
RICOH COMPANY LTDTOKYO 143-8555

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hasegawa, Kunio Isehara, JP 48 791
Nakai, Hiroshi Yokohama, JP 142 1994
Tanaka, Shinya Sagamihara, JP 312 4466
Urayama, Taichi Ebina, JP 24 290

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