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. 07, 2024
Filed:
Feb. 06, 2019
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventors:
Homare Kuribayashi, Ikeda, JP;
Shotaro Watanabe, Suwa, JP;
Kei Hiruma, Chino, JP;
Masato Hanamura, Shiojiri, JP;
Koji Imamura, Shiojiri, JP;
Jungo Asano, Shiojiri, JP;
Assignee:
SEIKO EPSON CORPORATION, , JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09D 11/328 (2014.01); C08K 5/42 (2006.01); C09D 11/38 (2014.01);
U.S. Cl.
CPC ...
C09D 11/328 (2013.01); C08K 5/42 (2013.01); C09D 11/38 (2013.01);
Abstract
A composition for aqueous ink jet contains a specific dye which is one or more coloring materials selected from the group consisting of C. I. Acid Black 172 and C. I. Acid Black 194, and a specific aromatic compound which is at least one compound selected from the group consisting of compounds represented by formulae (1) to (4) below. The content of the specific aromatic compound relative to 100 parts by mass of the specific dye is 0.2 parts by mass or more and 50 parts by mass or less.