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. 24, 2012
Filed:
Jul. 17, 2009
Nobuo Seto, Shizuoka, JP;
Masahiro Higashi, Shizuoka, JP;
Keiichi Tateishi, Shizuoka, JP;
Hideki Takakuwa, Shizuoka, JP;
Nobuo Seto, Shizuoka, JP;
Masahiro Higashi, Shizuoka, JP;
Keiichi Tateishi, Shizuoka, JP;
Hideki Takakuwa, Shizuoka, JP;
FUJIFILM Corporation, Tokyo, JP;
Abstract
An azo pigment and pigment dispersion show excellent coloring characteristics and light fastness. The azo pigment is represented by general formula (1), its tautomer, a salt or hydrate thereof: wherein G is hydrogen or an aliphatic, aryl, heterocyclic, acyl, aliphatic oxycarbonyl, carbamoyl, or sulfonyl group, Ris an amino, aliphatic oxy, aliphatic, aryl, or heterocyclic group, Ris a substituent, A is an aromatic 5- or 6-membered heterocyclic group, m is an integer of 0 to 5, n is an integer of 1 to 4 and, when n=2, 3 or 4, the formula represents a dimer, trimer, or tetramer, respectively, formed through R, R, A, or G.