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. 20, 2013
Filed:
Jul. 12, 2011
Jong-souk Yeo, Incheon, KR;
Igal Berson, Lod, IL;
Gil Bar-haim, Holon, IL;
Yaron Grinwald, Meitar, IL;
Jong-Souk Yeo, Incheon, KR;
Igal Berson, Lod, IL;
Gil Bar-Haim, Holon, IL;
Yaron Grinwald, Meitar, IL;
Hewlett-Packard Development Company, L.P., Houston, TX (US);
Abstract
A dual color electronically addressable ink includes a positively charged ink and a negatively charged ink. The positively charged ink includes a non-polar carrier fluid, pigment-loaded basic resin particles having a first color, and an acceptor charge adjuvant. The negatively charged ink includes the non-polar carrier fluid, pigment-loaded acidic resin particles having a second color that is different than the first color, and a donor charge adjuvant. The dual color electronically addressable ink also includes at least one charge director.