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:
Dec. 28, 2021
Filed:
Apr. 13, 2017
Hewlett-packard Development Company, L.p., Spring, TX (US);
Paul Joseph Bruinsma, San Diego, CA (US);
Hewlett-Packard Development Company, L.P., Spring, TX (US);
Abstract
A white ink can include an aqueous ink vehicle, from 5 wt % to 25 wt % of white metal oxide pigment having an alumina coating, a dispersant associated with a surface of the white metal oxide pigment, and from 0.05 wt % to 0.5 wt % of amphoteric alumina particles having an average particles size from 2 nm to less than less than 100 nm. The white ink can further include from 0.3 wt % to 1.1 wt % monovalent metal salt, or from 0.005 wt % to 0.175 wt % divalent metal salt, or both.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile