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:
Jul. 21, 2020
Filed:
Jul. 17, 2018
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventors:
Shintaro Hama, Shiojiri, JP;
Ryosuke Teramoto, Matsumoto, JP;
Kiyomi Kumamoto, Shiojiri, JP;
Tetsuya Aoyama, Shiojiri, JP;
Tomohiro Aruga, Matsumoto, JP;
Kazuma Tsutsumi, Matsumoto, JP;
Assignee:
Seiko Epson Corporation, , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09D 11/40 (2014.01); B41M 5/00 (2006.01); B41J 2/01 (2006.01); C09D 11/328 (2014.01); C09D 11/033 (2014.01); C09D 11/38 (2014.01);
U.S. Cl.
CPC ...
C09D 11/40 (2013.01); B41J 2/01 (2013.01); B41M 5/0023 (2013.01); C09D 11/033 (2013.01); C09D 11/328 (2013.01); C09D 11/38 (2013.01);
Abstract
An ink composition contains dyes A and B. Dye A has a width at a half height of the largest peak in the absorption spectrum between 380 nm and 780 nm that is 50 nm or less. Dye B has a corresponding width at the half height that is 70 nm or more. Dye A is present in an amount of 40% by mass or more and 90% by mass or less of the total mass of the dyes.