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. 17, 2024
Filed:
Aug. 09, 2022
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventors:
Soichi Yamazaki, Shiojiri, JP;
Koichi Terao, Suwa, JP;
Nikako Tsukiji, Matsumoto, JP;
Koji Horiba, Atsugi, JP;
Harunobu Komatsu, Matsumoto, JP;
Assignee:
SEIKO EPSON CORPORATION, , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09D 11/328 (2014.01); C09D 11/104 (2014.01); C09D 11/322 (2014.01); B41M 7/00 (2006.01);
U.S. Cl.
CPC ...
C09D 11/328 (2013.01); C09D 11/104 (2013.01); C09D 11/322 (2013.01); B41M 7/009 (2013.01);
Abstract
An ink jet composition of the present disclosure includes: water; a polyester resin having sulfo groups; and a colorant, the colorant is contained in particles formed from a material containing the polyester resin, and the sulfo groups have a high abundance ratio at a surface of each of the particles as compared to that at a center thereof.