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:
Sep. 08, 1998
Filed:
Mar. 21, 1997
Koichi Kuno, Kanagawa, JP;
Yuji Mihara, Kanagawa, JP;
Fuji Photo Film Co., Ltd., Kanagawa, JP;
Abstract
A silver halide photographic material is disclosed, comprising a support having thereon at least one silver halide photographic emulsion layer of a silver halide emulsion, wherein the emulsion layer comprises monodisperse cubic silver halide grains which contain at least one metal atom of group VIII in the Periodic Table, and the silver halide emulsion is spectrally sensitized so as to have a sensitization maximum at a wavelength of 750 nm or more and further contains at least one of compounds represented by the following formulae (I-a), (I-b) and (I-c): ##STR1## wherein Z represents an alkyl group containing 1 to 18 carbon atoms, an aryl group containing 6 to 18 carbon atoms, or a heterocyclic group; Y represents atoms necessary to complete an aromatic ring containing 6 to 18 carbon atoms, or a hetero ring; M represents a metal atom or an organic cation; and n represents an integer of from 2 to 10.