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. 16, 2016
Filed:
Feb. 23, 2016
Hewlett-packard Development Company, L.p., Fort Collins, CO (US);
Yaacov Almog, Nes Ziona, IL;
Avi Koller, Nes Ziona, IL;
Elliad Silcoff, Nes Ziona, IL;
Albert Teishev, Nes Ziona, IL;
Yaffa Israeli, Nes Ziona, IL;
Gary Larson, San Diego, CA (US);
Lufei Lin, San Diego, CA (US);
Hewlett-Packard Development Company, L.P., Houston, TX (US);
Abstract
A charge director material for charging a liquid toner, the charge director material comprising (a) nanoparticles of a simple salt and (b) a sulfosuccinate salt of the general formula MA, wherein M is a metal, n is the valence of M, and A is an ion of the general formula (I)[R—O—C(O)CHCH(SO)C(O)—O—R],  (I)wherein each of Rand Ris an alkyl group; said charge director material being substantially free of acids of the general formula (I), wherein one or both of R1 and R2 is hydrogen, and if only one of them is hydrogen, the other is an alkyl group.