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. 29, 2017
Filed:
May. 31, 2012
Adi Vinegrad, Rehovot, IL;
Ruslan Tovberg, Ashkelon, IL;
Eyal Negreanu, Rishon le-zion, IL;
Olga Kagan, Ashdod, IL;
Yaron Grinwald, Meitar, IL;
Reut Avigdor, Modiin, IL;
Adi Vinegrad, Rehovot, IL;
Ruslan Tovberg, Ashkelon, IL;
Eyal Negreanu, Rishon le-zion, IL;
Olga Kagan, Ashdod, IL;
Yaron Grinwald, Meitar, IL;
Reut Avigdor, Modiin, IL;
Hewlett-Packard Indigo B.V., Maastricht, NL;
Abstract
The application relates to a method of producing an electrostatic ink composition, the method comprising: mixing a resin and a conductive pigment in a continuous mixer to form a compounded mixture comprising particles comprising the resin and the pigment; adding a liquid carrier to the compounded mixture, such that the particles comprising the resin and the conductive pigment are dispersed in the liquid carrier; and, before, during or after adding the liquid carrier to the compounded mixture: imparting a charge on the particles comprising the resin and the pigment.