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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 11982949 B1

PDFFull Text
Date of Patent:
May. 14, 2024

Filed:

Dec. 18, 2020

Charging member having a surface layer comprising urethane foam

Applicant:

Hewlett-packard Development Company, L.p., Spring, TX (US);

Inventors:

Taehyun Kim, Seongnam Si, KR;

Norihiro Harada, Suwon, KR;

Jinmo Hong, Seongnam Si, KR;

Assignee:

Hewlett-Packard Development Company, L.P., Spring, TX (US);

Attorney:

Brooks, Cameron & Huebsch, PLLC

Primary Examiner:

Sophia S Chen

Int. Cl.
CPC ...
G03G 15/02 (2006.01); B32B 1/08 (2006.01); B32B 5/18 (2006.01); B32B 15/04 (2006.01); C08J 9/00 (2006.01); B32B 15/06 (2006.01); B32B 15/08 (2006.01); B32B 15/18 (2006.01); B32B 25/04 (2006.01); B32B 27/06 (2006.01);
U.S. Cl.
CPC ...
G03G 15/0233 (2013.01); B32B 1/08 (2013.01); B32B 5/18 (2013.01); B32B 15/046 (2013.01); C08J 9/00 (2013.01); B32B 15/06 (2013.01); B32B 15/08 (2013.01); B32B 15/18 (2013.01); B32B 25/045 (2013.01); B32B 27/065 (2013.01); B32B 2255/06 (2013.01); B32B 2255/10 (2013.01); B32B 2266/0278 (2013.01); B32B 2266/06 (2013.01); B32B 2307/202 (2013.01); B32B 2307/724 (2013.01); B32B 2457/00 (2013.01); C08J 2205/044 (2013.01); C08J 2205/05 (2013.01); C08J 2375/04 (2013.01);
Abstract

A charging member for an image forming apparatus may include a conductive support and a surface layer on the conductive support and spaced apart from a photosensitive member. The surface layer may include a urethane foam including foam cells and having a foam structure based on the foam cells, the foam cells including open cells.

Find Patent Forward Citations

Quick Actions:

Kim, Taehyun. (2024). Charging member having a surface layer comprising urethane foam (U.S. Patent No. 11982949). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11982949

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

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