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:
Apr. 20, 2021
Filed:
Jan. 27, 2016
Applicant:
Hewlett-packard Development Company, L.p., Houston, TX (US);
Inventors:
Guang Jin Li, San Diego, CA (US);
Daniel Tanchangco, San Marcos, CA (US);
Paul McCaslin, San Diego, CA (US);
Anna Chin, Sr., San Diego, CA (US);
Bin Huang, San Diego, CA (US);
Kai-Kong Iu, San Diego, CA (US);
Assignee:
Hewlett-Packard Development Company, L.P., Spring, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G 15/10 (2006.01); G03G 13/10 (2006.01); C08L 75/04 (2006.01); G03G 15/08 (2006.01); G03G 15/02 (2006.01);
U.S. Cl.
CPC ...
G03G 15/10 (2013.01); G03G 13/10 (2013.01); G03G 15/0233 (2013.01); G03G 15/0818 (2013.01); G03G 15/104 (2013.01); C08L 75/04 (2013.01); G03G 2215/0861 (2013.01);
Abstract
The present disclosure relates to a liquid electrophotographic ink developer unit. The unit comprises a developer roller comprising a layer formed from a polymer composition containing a conductive filler, whereby the polymer composition has a specific resistivity of less than 1×10Ω·cm. The unit also comprises a secondary roller that co-operates with the developer roller.