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:
Feb. 25, 2020
Filed:
Oct. 19, 2017
Xerox Corporation, Norwalk, CT (US);
Valerie M. Farrugia, Oakville, CA;
Wendy Chi, Toronto, CA;
Xerox Corporation, Norwalk, CT (US);
Abstract
An aqueous ink composition including water; an optional co-solvent; an optional colorant; and a composite nanoparticle comprising a core and a shell; wherein the core comprises a styrene/acrylate polymer core resin, optionally comprising a metal; and wherein the shell comprises a metal. An aqueous ink composition including water; an optional co-solvent; an optional colorant; and an ionic polymer-metal composite; wherein the ionic-polymer metal composite nanoparticle acts as a reservoir for the delivery of metal ions for anti-bacterial effect, antifungal effect, antiviral biocide effect, or a combination thereof. A process comprising incorporating an aqueous ink into an ink jet printing apparatus; ejecting droplets of ink in an imagewise pattern onto an intermediate transfer member or directly onto a final image receiving substrate; optionally, heating the image; and optionally, when an intermediate transfer member is used, transferring the ink in the imagewise pattern from the intermediate transfer member to a final substrate.