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:
Aug. 16, 1994
Filed:
Apr. 21, 1993
Fuji Photo Film Co., Ltd., Kanagawa, JP;
Abstract
Disclosed is a silver halide photographic material comprising at least one compound (merocyanine dye) represented by the following general formula (I): ##STR1## wherein Z represents nonmetal atoms necessary to complete a 5- or 6-membered heterocyclic ring; X represents non-metal atoms necessary to complete a 5- or 6-membered acidic nucleus; R.sup.2 represents --(CH.sub.2).sub.r --CONHSO.sub.2 --R.sup.3, --(CH.sub.2).sub.s --SO.sub.2 NHCO--R.sup.4, --(CH.sub.2).sub.t --CONHCO--R.sup.5 or --(CH.sub.2).sub.u --SO.sub.2 NHSO.sub.2 --R.sup.6 ; R.sup.3, R.sup.4, R.sup.5 and R.sup.6 each represent an alkyl group, an alkoxy group or an amino group; r, s, t and u each represent an integer from 1 to 5; R.sup.1 has the same meaning as R.sup.2 or represents an alkyl group substituted by a sulfo or carboxyl group; p represents 0 or 1; L.sub.1 and L.sub.2 each represent a methine group; and n represents 0, 1, 2 or 3.