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:
Nov. 17, 2015
Filed:
Mar. 15, 2010
Applicants:
Sundar Vasudevan, Corvallis, OR (US);
Richard J Mcmanus, Corvallis, OR (US);
Palitha Wickramanayake, Corvallis, OR (US);
Inventors:
Sundar Vasudevan, Corvallis, OR (US);
Richard J Mcmanus, Corvallis, OR (US);
Palitha Wickramanayake, Corvallis, OR (US);
Assignee:
Hewlett-Packard Development Company, L.P., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 18/08 (2006.01); C08G 18/80 (2006.01); C08G 73/10 (2006.01); C08K 3/20 (2006.01); C08K 5/06 (2006.01); C08K 5/34 (2006.01); C08K 5/48 (2006.01); C08L 75/00 (2006.01); C09D 5/00 (2006.01); C09D 11/00 (2014.01); C09D 11/10 (2014.01); C09D 11/38 (2014.01); C08K 5/09 (2006.01); C09D 11/324 (2014.01);
U.S. Cl.
CPC ...
C09D 11/38 (2013.01); C08K 5/09 (2013.01); C09D 11/324 (2013.01); C08K 2201/00 (2013.01);
Abstract
An ink composition for inkjet printing is disclosed herein. The ink composition includes a self-dispersed carbon black pigment with alkali metal counter ions, polyurethane, and an aqueous carrier. The aqueous carrier includes water, at least one water-soluble organic solvent, and at least one surfactant. In one embodiment, the aqueous carrier further includes an additive having a polar head group and a C-Chydrocarbon tail.