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:
Feb. 12, 2013
Filed:
Aug. 30, 2010
Applicants:
Takashi Oyanagi, Matsumoto, JP;
Kiyohiko Takemoto, Matsumoto, JP;
Kazuaki Tsukiana, Nagano-ken, JP;
Inventors:
Assignee:
Seiko Epson Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09D 11/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An ink composition, contains: an organic solvent, a metal pigment, and a resin, in which the organic solvent contains, based on the total amount of the ink composition, 60% by mass or more of diethylene glycol diethylether, 24 to 37% by mass of γ-butyrolactone and/or tetraethylene glycol dimethyl ether, and more than 1% by mass and lower than 5% by mass of tetraethylene glycol monobutyl ether, and the 50% average particle diameter in terms of sphere determined by a light scattering method of the metal pigment is 0.8 to 1.2 μm.