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:
Nov. 21, 2017
Filed:
Oct. 30, 2015
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); C09B 47/067 (2006.01); C09B 67/00 (2006.01); C08K 5/3417 (2006.01); C09B 67/22 (2006.01);
U.S. Cl.
CPC ...
C09D 11/328 (2013.01); C08K 5/3417 (2013.01); C09B 47/0675 (2013.01); C09B 47/0678 (2013.01); C09B 67/0035 (2013.01); C09D 11/38 (2013.01); C09D 11/40 (2013.01);
Abstract
There is provided an ink composition including: a predetermined dye (C-1); a dye (C-2) containing at least one of C.I. Direct Blues 86 and 199; an alkylene oxide adduct of an acetylene glycol having a main chain of 12 or more carbon atoms; an 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 (C-1) and the dye (C-2) (the dye (C-1):the dye (C-2)) is 7:3 to 9.5:0.5, and the content of the dye (C-1) is 2.0 mass % to 5.0 mass %.