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. 29, 2014
Filed:
Jun. 27, 2012
Applicants:
Tomohiro Aruga, Matsumoto, JP;
Daisuke Ishihara, Matsumoto, JP;
Inventors:
Tomohiro Aruga, Matsumoto, JP;
Daisuke Ishihara, Matsumoto, JP;
Assignee:
Seiko Epson Corporation, , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09D 11/02 (2014.01);
U.S. Cl.
CPC ...
Abstract
The ink set according to the invention includes a first ink containing water, pigments, and first metal ions as counter-ions of the pigments; and a second ink containing water, specific dyes, and second metal ions as counter-ions of the dyes, in which the maximum equivalent conductivity [S·cm/eq] of the first metal ions is greater than the maximum equivalent conductivity [S·cm/eq] of the second metal ions.