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:
Oct. 13, 2026
Filed:
Mar. 24, 2023
Seiko Epson Corporation, Tokyo, JP;
Mitsunobu Nakatani, Shiojiri, JP;
Kei Hiruma, Chino, JP;
Tomoyuki Ushiyama, Chino, JP;
Kenta Tsukada, Shiojiri, JP;
SEIKO EPSON CORPORATION, , JP;
Abstract
An aqueous coloring composition contains a metal pigment, water, and organic solvents. The metal pigment is metal particles having a surface treated with at least one compound represented by formula (1) or (2), and the organic solvents include an organic solvent (A), having a water solubility of 1000 g/L or more at 20° C., and an organic solvent (B), having a water solubility of 100 g/L or less at 20° C.(R—)P(O)(OH) (1)(R—O—)P(O)(OH) (2) (In the formulae, Rand Rindependently represent a hydrocarbon group having 12 or more carbon atoms, optionally substituted with one or more substituents, and a represents 1 or 2.)
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile