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. 16, 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 11/54 (2014.01); B41J 2/045 (2006.01); C09D 11/30 (2014.01);
U.S. Cl.
CPC ...
C09D 11/54 (2013.01); B41J 2/045 (2013.01); C09D 11/30 (2013.01);
Abstract
A water-based treatment liquid is used for recording together with an ink jet ink which is a water-based ink composition, and the treatment liquid contains: a polyvalent metal salt; a resin selected from an acrylic-based resin and a maleic acid-based resin; and a compound selected from an organic acid and an organic amine. In the treatment liquid described above, a content of the resin with respect to a total mass of the treatment liquid is 1 percent by mass or less, and the treatment liquid has a pH of 5.5 to 7.5.