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. 26, 2026
Filed:
Feb. 27, 2023
Seiko Epson Corporation, Tokyo, JP;
Shintaro Asai, Matsumoto, JP;
Hiroaki Kida, Shiojiri, JP;
Kei Hiruma, Chino, JP;
Tomoyuki Ushiyama, Chino, JP;
Mitsunobu Nakatani, Shiojiri, JP;
Kenta Tsukada, Shiojiri, JP;
SEIKO EPSON CORPORATION, , JP;
Abstract
According to an embodiment of the present disclosure, provided is an ink jet ink composition which is a solvent-based ink, the composition including a metal pigment and an organic solvent, in which the metal pigment is a metal particle having a surface treated with a surface treatment agent, the surface treatment agent contains a compound represented by General Formula (1) and a compound represented by General Formula (2), and a mass ratio of a mass of the compound represented by General Formula (2) to a total mass of the compound represented by General Formula (1) and the compound represented by General Formula (2) is 45% by mass or less.(R—O—)P(O)(OH) (1)(R—O—)P(O)(OH) (2) (In the formulae, R's each independently represent a hydrocarbon group having 8 or more carbon atoms.)