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. 11, 2026
Filed:
Dec. 15, 2020
Hewlett-packard Development Company, L.p., Spring, TX (US);
Doron Gurovich, Nes Ziona, IL;
Vladislav Kaploun, Nes Ziona, IL;
Albert Teishev, Nes Ziona, IL;
Emad Masoud, Nes Ziona, IL;
Hewlett-Packard Development Company, L.P., Spring, TX (US);
Abstract
A method of producing a liquid electrophotographic ink composition includes combining a pigment with a charge director in a carrier liquid to produce a pigment dispersion; and combining a thermoplastic resin with the pigment dispersion to produce a liquid electrophotographic ink composition; wherein the charge director comprises a metal salt of a sulfonic acid. A method of printing the liquid electrophotographic ink composition and a printing set comprising the liquid electrophotographic ink composition are also included.