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. 20, 2012
Filed:
May. 14, 2008
Applicants:
Shuichi Koganehira, Matsumoto, JP;
Akira Mizutani, Matsumoto, JP;
Hironori Sato, Shiojiri, JP;
Inventors:
Assignee:
Seiko Epson Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C09D 11/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
There is provided an ink composition that can realize high-quality images free from white streaks or roughness even in low resolution when printing paper for running-on such as art paper is used. The ink composition comprises at least a colorant, water, an alcohol solvent, and a surfactant, wherein the alcohol solvent comprises a sparingly water soluble alkanediol, a water soluble alkanediol, and a water soluble alkanetriol.