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:
May. 07, 1996
Filed:
Oct. 04, 1994
Takanori Hioki, Kanagawa, JP;
Tetsuo Yoshida, Kanagawa, JP;
Fuji Photo Film Co., LTD., Kanagawa, JP;
Abstract
A silver halide photographic photosensitive material comprises a silver halide photographic emulsion layer and a compound represented by general formula (I): ##STR1## wherein V.sub.1 and V.sub.2 each represents a hydrogen atom, an alkyl group or an alkoxy group; at least one of V.sub.1 and V.sub.2 is an alkyl group or an alkoxy group; Z.sub.1 represents a group of atoms which is required to form a five- or six-membered nitrogen-containing heterocyclic ring; Z.sub.2 represents a group of atoms which is required to form a five- or six-membered nitrogen-containing heterocyclic ring; Z.sub.3 represents an oxygen atom, a sulfur atom or a selenium atom; R.sub.1 and R.sub.3 each represents an alkyl group; R.sub.2 represents an alkyl group, an aryl group or a heterocyclic group; L.sub.1, L.sub.2 and L.sub.3 each represents a methine group; M.sub.1 represents a charge neutralizing counter-ion; and m.sub.1 is a number having a value zero or above which is required to neutralize the charge within the molecule.