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:
May. 19, 2026
Filed:
Jul. 06, 2022
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventors:
Yuta Asakawa, Azumino, JP;
Mitsuaki Kosaka, Minowa, JP;
Assignee:
SEIKO EPSON CORPORATION, , JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09D 11/322 (2014.01); B41M 5/00 (2006.01); C09D 11/36 (2014.01); C09D 11/40 (2014.01);
U.S. Cl.
CPC ...
C09D 11/322 (2013.01); B41M 5/0011 (2013.01); B41M 5/0047 (2013.01); C09D 11/36 (2013.01); C09D 11/40 (2013.01);
Abstract
An ink set according to the present disclosure includes: a treatment liquid containing an aggregating agent; a deep ink composition; and a light ink composition, the ink compositions containing colorants, belonging to the same color system, and each being a water-based ink jet ink, the light ink composition contains an organic solvent which is a condensate of an alkanediol having 2 or 3 carbon atoms and which has two hydroxy groups, and the deep ink composition contains an organic solvent which is an alkanediol having 2 to 4 carbon atoms.