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:
Feb. 23, 1993
Filed:
Oct. 30, 1991
Yukio Karino, Kanagawa, JP;
Tetunori Matushita, Kanagawa, JP;
Fuji Photo Film Co., Ltd., Kanagawa, JP;
Abstract
A novel silver halide photographic material is provided comprising at least one silver halide emulsion layer on a support, wherein the emulsion layer or other hydrophilic colloidal layers comprise at least one compound represented by formula (I): ##STR1## wherein W represents .dbd.N-- or ##STR2## in which R.sub.1 represents a hydrogen atom or a substituent; R.sub.0 represents an alkyl group containing 10 or more carbon atoms or an aromatic group containing 12 or more carbon atoms; Z represents an atomic group which can form a heterocyclic group or a carbon ring; Y represents ##STR3## wherein R.sub.2, R.sub.3, R.sub.4, R.sub.5, R.sub.6, and R.sub.7 each represents a hydrogen atom or a substituent; X.sub.1 represents a divalent group connected to carbon atom via a hetero atom contained therein; D represents a photogragraphic dye portion connected to X.sub.1 via a hetero atom contained therein; A represents a water-solubilizing group; m.sub.1 represents an integer 0 or 1; and n represents an integer 2 or more.