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:
Jan. 06, 2026
Filed:
Feb. 28, 2023
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventors:
Mitsunobu Nakatani, Shiojiri, JP;
Kei Hiruma, Chino, JP;
Tomoyuki Ushiyama, Chino, JP;
Kenta Tsukada, Shiojiri, JP;
Assignee:
SEIKO EPSON CORPORATION, , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09D 17/00 (2006.01); C08K 3/08 (2006.01); C08K 9/04 (2006.01); C09C 3/08 (2006.01); C09D 7/20 (2018.01);
U.S. Cl.
CPC ...
C09D 17/006 (2013.01); C08K 3/08 (2013.01); C08K 9/04 (2013.01); C09C 3/08 (2013.01); C09D 7/20 (2018.01); C08K 2003/0812 (2013.01); C08K 2201/005 (2013.01);
Abstract
An aqueous coloring composition contains a metal pigment and water. The metal pigment is metal particles having a surface treated with at least one surface treatment agent, and the surface treatment agent is at least one compound represented by general formula (1) (A-R—)P(Q)(OH)or (2) (A-R—O—)P(O)(OH). The volume-average particle diameter D50 of the metal pigment is 9 μm or less.