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:
Jul. 18, 2017
Filed:
Jan. 24, 2014
Hewlett-packard Indigo B.v., Amstelveen, NL;
Emad Masoud, Nes Ziona, IL;
Yael Kowal-Blau, Givataim, IL;
Albert Teishev, Rishon le-zion, IL;
Nurit Carmel-Barnea, Nes Ziona, IL;
Hewlett-Parkard Indigo B.V., Maastricht, NL;
Abstract
Herein is disclosed an electrostatic ink composition comprising: a) chargeable particles comprising a resin; b) a charge director comprising a sulfosuccinate salt of the general formula M'A, wherein M′ is a metal, m is the valence of M′, and A is an ion of the general formula (I): (I) [R—O—C(O)CHCH(SO)C(O)—O—R]wherein each of Rand Ris an alkyl group; and c) an optionally substituted naphthalene-sulfonate moiety. Also disclosed is a method of manufacturing an electrostatic ink composition and a printed medium having printed thereon an electrostatic ink composition.