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:
Oct. 14, 2008
Filed:
Sep. 30, 2004
Masahiro Hanmura, Kanagawa, JP;
Kazuhiko Kitamura, Nagano, JP;
Hiroshi Fukumoto, Nagano, JP;
Toshiki Fujiwara, Kanagawa, JP;
Yoshiharu Yabuki, Kanagawa, JP;
Masahiro Hanmura, Kanagawa, JP;
Kazuhiko Kitamura, Nagano, JP;
Hiroshi Fukumoto, Nagano, JP;
Toshiki Fujiwara, Kanagawa, JP;
Yoshiharu Yabuki, Kanagawa, JP;
Seiko Epson Corporation, Tokyo, JP;
Fuji Film Corporation, Kanagawa, JP;
Abstract
An ink composition containing at least water, at least one member selected from a compound represented by formula (1) shown below and a salt thereof, and at least one member selected from an aromatic compound having a carboxyl group and a salt thereof: In formula (1), A represents a residue of a 5-membered heterocyclic diazo component A-NH; Band Beach represents —CR═ or —CR═, or either one of Band Brepresents a nitrogen atom and the other represents —CR═ or —CR═; Rand Reach independently represents a hydrogen atom, an aliphatic group, an aromatic group, a heterocyclic group or the like; and G, Rand Reach independently represents a hydrogen atom, a halogen atom, an aliphatic group, an aromatic group, a heterocyclic group or the like.