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.:
Date of Patent:
Aug. 23, 2016
Filed:
Mar. 01, 2012
Applicants:
Shao-wei LI, San Diego, CA (US);
Yi Feng, San Diego, CA (US);
Stanley J. Kozmiski, Escondido, CA (US);
Inventors:
Shao-Wei Li, San Diego, CA (US);
Yi Feng, San Diego, CA (US);
Stanley J. Kozmiski, Escondido, CA (US);
Assignee:
Hewlett-Packard Development Company, L.P., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B05C 1/08 (2006.01); G03G 15/02 (2006.01); H01B 1/12 (2006.01); B05D 5/12 (2006.01); F16C 13/00 (2006.01); H01B 1/20 (2006.01); G03G 15/10 (2006.01);
U.S. Cl.
CPC ...
G03G 15/0216 (2013.01); F16C 13/00 (2013.01); G03G 15/0233 (2013.01); H01B 1/20 (2013.01); G03G 15/10 (2013.01);
Abstract
The present disclosure discloses a new charge roller particularly but not exclusively for charging a photoconductive element in a liquid electro-photograph (LEP) image-forming apparatus. The charge roller includes a cured composition of an aromatic diisocyanate, a polycarbonate polyester polyol, a matte agent, a surface energy modifier, and a conductive agent.