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:
Apr. 28, 1998
Filed:
Feb. 01, 1996
Toshihide Ezoe, Kanagawa, JP;
Toshiaki Kubo, Kanagawa, JP;
Hiroshi Takeuchi, Kanagawa, JP;
Kazunobu Katoh, Kanagawa, JP;
Shigeo Hirano, Kanagawa, JP;
Kazuki Yamazaki, Kanagawa, JP;
Takashi Hoshimiya, Kanagawa, JP;
Minoru Sakai, Kanagawa, JP;
Tetsuo Yoshida, Kanagawa, JP;
Fuji Photo Film Co., Ltd., Kanagawa, JP;
Abstract
A silver halide photographic material is disclosed, comprising a support having provided thereon at least one silver halide emulsion layer, at least one layer of the emulsion layer and other hydrophilic colloid layers containing at least one hydrazine-type nucleating agent having, in the vicinity of the hydrazine group, an anionic group or a nonionic group which forms an intramolecular hydrogen bond with a hydrogen atom of the hydrazine, and also containing at least one of the onium salt compounds represented by formulae (a), (b) and (c), or at least one of the amine compounds represented by formulae (d), (e), (f), (g), (h), (i) and (j). Also disclosed is a method for processing, after exposure, the silver halide photographic material described above with a developer containing a reductone-type developing agent and having a pH of 12 or less.