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. 01, 2014
Filed:
Oct. 29, 2010
Hou T. NG, Palo Alto, CA (US);
Manoj K. Bhattacharyya, Palo Alto, CA (US);
Howard S. Tom, San Jose, CA (US);
Hou T. Ng, Palo Alto, CA (US);
Manoj K. Bhattacharyya, Palo Alto, CA (US);
Howard S. Tom, San Jose, CA (US);
Hewlett-Packard Development Company, L.P., Houston, TX (US);
Abstract
An ink dispersion includes an ink vehicle and a colorant dispersed in the ink vehicle. The ink vehicle includes a non-ionic surfactant and a solvent. The non-ionic surfactant has an HLB value ranges from about 5 to about 16, and is chosen from: i) a material represented by one of the formulas R—O—(OR)—H, R—(OR)—OH or R—CH—(OR)—OH, wherein: Ris chosen from a) a linear or cyclic alkyl group including from 3 to 20 carbon atoms, or b) a substituted or non-substituted alkyl group including from 6 to 18 carbon atoms, Ris chosen from CHCHor CHCHCH, and n is an integer chosen from 2 to 100; or ii) a diester having at least one ethylene oxide repeating unit; or iii) an octylphenol having at least one ethylene oxide repeating unit.