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. 15, 2014
Filed:
May. 25, 2012
Applicants:
Hiromi Iseki, Shiojiri, JP;
Kazuhiko Kitamura, Matsumoto, JP;
Yasuhiro Oki, Matsumoto, JP;
Ryosuke Teramoto, Matsumoto, JP;
Shigemi Wakabayashi, Shiojiri, JP;
Yasunari Ikeda, Shiojiri, JP;
Inventors:
Hiromi Iseki, Shiojiri, JP;
Kazuhiko Kitamura, Matsumoto, JP;
Yasuhiro Oki, Matsumoto, JP;
Ryosuke Teramoto, Matsumoto, JP;
Shigemi Wakabayashi, Shiojiri, JP;
Yasunari Ikeda, Shiojiri, JP;
Assignee:
Seiko Epson Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C09D 11/02 (2014.01);
U.S. Cl.
CPC ...
Abstract
An ink composition contains a dye whose free acid is expressed by formula (1), lithium ions, and an aromatic compound having a carboxy group. In formula (1), Q represents a halogen atom, x represents an integer of 2 to 4, and y represents an integer of 1 to 3.