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. 21, 2025
Filed:
Nov. 03, 2022
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventor:
Yuta Asakawa, Azumino, JP;
Assignee:
SEIKO EPSON CORPORATION, , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/175 (2005.12); B41J 11/00 (2005.12); B41M 7/00 (2005.12); C09D 11/54 (2013.12);
U.S. Cl.
CPC ...
C09D 11/54 (2012.12); B41M 7/0018 (2012.12);
Abstract
A treatment liquid is a water-based treatment liquid and is used for a recording method of adhering a water-based ink jet ink composition containing a colorant and the treatment liquid to a recording medium. The treatment liquid contains: an organic acid; and at least one selected from an organic acid polyvalent metal salt and a cationic polymer, a content of the at least one selected from an organic acid polyvalent metal salt and a cationic polymer is 1 to 15 percent by mass with respect to a total mass of the treatment liquid, and the treatment liquid has a pH of 5.5 or more.