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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.:

US 11029622 B1

PDFFull Text
Date of Patent:
Jun. 08, 2021

Filed:

Mar. 04, 2020

Developer carrying member, process cartridge, and electrophotographic apparatus

Applicant:

Canon Kabushiki Kaisha, Tokyo, JP;

Inventors:

Sosuke Yamaguchi, Chiba, JP;

Minoru Ito, Suntou-gun, JP;

Takashi Koyanagi, Mishima, JP;

Takahiro Miyazawa, Numazu, JP;

Shohei Urushihara, Mishima, JP;

Kentarou Nakamura, Mishima, JP;

Assignee:

Canon Kabushiki Kaisha, Tokyo, JP;

Attorney:

Canon U.S.A., Inc., IP Division

Primary Examiner:

Hoan H Tran

Int. Cl.
CPC ...
G03G 15/08 (2006.01); G03G 21/18 (2006.01); C08G 18/10 (2006.01); C08G 18/42 (2006.01); C08G 18/44 (2006.01); C08G 18/76 (2006.01); C09D 175/06 (2006.01);
U.S. Cl.
CPC ...
G03G 15/0808 (2013.01); C08G 18/10 (2013.01); C08G 18/4238 (2013.01); C08G 18/44 (2013.01); C08G 18/7621 (2013.01); C08G 18/7664 (2013.01); C08G 18/7671 (2013.01); C09D 175/06 (2013.01); G03G 21/1814 (2013.01);
Abstract

Provided is a developer carrying member that enables stable formation of images of high quality even on recording paper having a high talc content. The developer carrying member includes a conductive base member and a surface layer, wherein the surface layer includes a urethane resin, and the urethane resin has a carbonate bond and a tertiary amine structure.

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Yamaguchi, Sosuke. (2021). Developer carrying member, process cartridge, and electrophotographic apparatus (U.S. Patent No. 11029622). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11029622

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

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