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:
Apr. 17, 2018
Filed:
Mar. 07, 2016
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventors:
Assignee:
Seiko Epson Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C09D 11/328 (2014.01); C09D 11/38 (2014.01); C09D 11/40 (2014.01);
U.S. Cl.
CPC ...
C09D 11/328 (2013.01); C09D 11/38 (2013.01); C09D 11/40 (2013.01);
Abstract
There is provided an ink composition, including: a dye (M-2); a dye (Y-1); an alkylene oxide adduct of acetylene glycol having a main chain of 12 or more carbon atoms; acetylene glycol having a main chain of 10 or more carbon atoms; and a polyoxyalkylene alkyl ether, in which the content ratio A of the dye (M-2) and the dye (Y-1) (the dye (M-2):the dye (Y-1)) is 1.25:1 to 4.75:1.