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:
Sep. 20, 2022
Filed:
May. 14, 2019
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventors:
Yasunari Ikeda, Shiojiri, JP;
Hiroko Hayashi, Shiojiri, JP;
Kenji Kitada, Shiojiri, JP;
Hirofumi Hokari, Chino, JP;
Hisashi Okamura, Shiojiri, JP;
Kenta Kikuchi, Suwa, JP;
Shinichi Naito, Chino, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09D 11/328 (2014.01); C09D 11/38 (2014.01);
U.S. Cl.
CPC ...
C09D 11/328 (2013.01); C09D 11/38 (2013.01);
Abstract
An aqueous ink jet composition includes a first component which is at least one selected from the group consisting of C.I. Solvent Yellow 160: 1, C.I. Disperse Yellow 82, and C.I. Disperse Yellow 184; a second component which is a dispersant having at least one chemical structure of a sulfo group and a salt thereof; and a third component which has a coumarin skeleton and at least one chemical structure of a sulfo group and a salt thereof.