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:
Mar. 15, 2005
Filed:
Oct. 31, 2002
Hwei-ling Yau, Rochester, NY (US);
Wendy S. Krzemien, Hilton, NY (US);
Elmer C. Flood, Canandaigua, NY (US);
Hwei-Ling Yau, Rochester, NY (US);
Wendy S. Krzemien, Hilton, NY (US);
Elmer C. Flood, Canandaigua, NY (US);
Eastman Kodak Company, Rochester, NY (US);
Abstract
An ink jet ink composition including from 40.0 to 99.0% by weight of water; from 0.1 to 20.0% by weight of a pigment dispersed with an oleoyl methyl taurine salt dispersant from 0 to 70.0% by weight of a water miscible co-solvent; and from 0.1 to 20.0% by weight of a water-reducible addition polymer; wherein the weight average molecular weight of the polymer is from 2,000 to 100,000; the acid number is from 50 to 400; and the acid group on the polymer is neutralized by an alkaline metal hydroxide such as lithium hydroxide, sodium hydroxide potassium hydroxide, or a mixture thereof; and wherein all weight percentages are based on the total weight of the ink composition. An ink jet printing method is also disclosed.