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:
Mar. 17, 2009
Filed:
Nov. 10, 2005
Takahiko Matsui, Kita-ku, JP;
Hiroaki Ohno, Kita-ku, JP;
Yasuo Shirasaki, Saitama, JP;
Nippon Kayaku Kabushiki Kaisha, Tokyo, JP;
Abstract
An azo compound represented by the following Formula (1) or a salt thereof, and an ink composition comprising the same (wherein, each of R, R, R, Rand Rindependently represents a hydrogen atom, a carboxyl group, a sulfo group and the like, each of Rand Rindependently represents a hydrogen atom, a sulfo group, a nitro group, a (C1 to C4) alkyl group (which may be substituted by a hydroxyl group or a (C1 to C4) alkoxy group), a (C1 to C4) alkoxy group (which may be substituted by a hydroxyl group, a (C1 to C4) alkoxy group, a sulfo group or a carboxyl group) and the like, and n represents 0 or 1, respectively).