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:
Apr. 20, 2010
Filed:
Jun. 20, 2008
Applicants:
Kazuaki Watanabe, Nagano-ken, JP;
Shinichi Kato, Nagano-ken, JP;
Bunji Ishimoto, Nagano-ken, JP;
Inventors:
Assignee:
Seiko Epson Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09D 11/00 (2006.01); C09D 11/02 (2006.01); C09D 11/10 (2006.01); C09D 5/02 (2006.01); C08J 3/03 (2006.01);
U.S. Cl.
CPC ...
Abstract
An aqueous ink composition comprising at least water, a pigment dispersed by polymer, a sulfonyl group-containing (co)polymer, and an ultra-penetrating agent. Also disclosed are a recording process using the ink composition, an ink cartridge containing the ink composition, and a recorded article having an image recorded by the recorded method.