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. 20, 2007
Filed:
Oct. 07, 2003
Dye-forming coupler, silver halide photographic light-sensitive material and azomethine dye compound
Kiyoshi Takeuchi, Minami-ashigara, JP;
Shigeki Uehira, Minami-ashigara, JP;
Mario Aoki, Minami-ashigara, JP;
Kiyoshi Takeuchi, Minami-ashigara, JP;
Shigeki Uehira, Minami-ashigara, JP;
Mario Aoki, Minami-ashigara, JP;
Fuji Photo Film, Co., Ltd., Kanagawa, JP;
Abstract
A dye-forming coupler and compound of formula (I): wherein Q represents a residue that forms, together with —N—C═N—, a nitrogen-containing 6-membered ring; Rrepresents an aryl, heterocyclic, or —(R)—(R)group; X represents an aryl group; Y represents a hydrogen atom, or a group capable of being split-off upon a coupling reaction with an oxidized product of a developing agent:wherein,when Rrepresents an —(R)—(R)group, Rrepresents a methylene group, a methine group, or a carbon atom; r is 1 to 30; Rrepresents a substituent except for a hydrogen atom; m is 1 to 30; and the —(R)—(R)group does not represent a straight-chain alkyl group.