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:
Dec. 23, 2025
Filed:
Aug. 17, 2023
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventor:
Yuta Asakawa, Azumino, JP;
Assignee:
SEIKO EPSON CORPORATION, , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09D 11/322 (2014.01); B41J 11/00 (2006.01); C09D 11/38 (2014.01); C09D 11/40 (2014.01);
U.S. Cl.
CPC ...
C09D 11/322 (2013.01); B41J 11/002 (2013.01); C09D 11/38 (2013.01); C09D 11/40 (2013.01);
Abstract
An aqueous ink jet ink composition according to an aspect of the present disclosure is an ink jet ink composition including a pigment, a sparingly water-soluble low-molecular-weight organic compound, and a nonionic water-soluble resin, in which the pigment is a self-dispersion pigment or a resin dispersion pigment dispersed by a dispersant resin, and the nonionic water-soluble resin has a weight-average molecular weight of 2000 or greater, and a content of the nonionic water-soluble resin is 1% by mass or less with respect to a total mass of the ink composition.