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:
Sep. 21, 2010

Filed:

Nov. 06, 2009
Applicants:

Minoru Nakamura, Mishima, JP;

Yoshiyuki Takayama, Mishima, JP;

Kazuaki Nagaoka, Susono, JP;

Masaki Yamada, Mishima, JP;

Inventors:

Minoru Nakamura, Mishima, JP;

Yoshiyuki Takayama, Mishima, JP;

Kazuaki Nagaoka, Susono, JP;

Masaki Yamada, Mishima, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B21K 1/02 (2006.01); B05C 1/08 (2006.01); F16C 13/00 (2006.01); G03G 15/08 (2006.01);
U.S. Cl.
CPC ...
Abstract

The present invention intends to provide a method of producing a developing roller capable of providing high-quality electrophotographic images under a variety of environments. The method of producing a developing roller according to the present invention is a method of producing a developing roller having a mandrel, a resin layer on the outer periphery of the mandrel, and a surface layer on the outer periphery of the resin layer, the method including the step of curing a mixture containing a carbon black, a specific diol, and a specific isocyanate compound to form the surface layer.


Find Patent Forward Citations

Nakamura, Minoru. (2010). Developing roller and method of producing the roller, process cartridge, and electrophotographic image-forming apparatus (U.S. Patent No. 7797833). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7797833

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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