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. 16, 1993
Filed:
Apr. 27, 1990
Applicant:
Inventors:
Kazunobu Katoh, Kanagawa, JP;
Hisashi Okamura, Kanagawa, JP;
Hisashi Okada, Kanagawa, JP;
Nobuaki Inoue, Kanagawa, JP;
Toshiro Takahashi, Kanagawa, JP;
Morio Yagihara, Kanagawa, JP;
Tetsuo Yamaguchi, Kanagawa, JP;
Assignee:
Fuji Photo Film Co., Ltd., Kanagawa, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03C / ; G03C / ;
U.S. Cl.
CPC ...
430264 ; 430222 ; 430223 ; 430522 ; 430544 ; 430546 ; 430566 ; 430572 ; 430600 ; 430603 ; 430605 ; 430598 ; 430957 ;
Abstract
A silver halide photographic material comprising a support having thereon at least one sensitive silver halide emulsion layer, wherein said emulsion layer comprises a monodisperse emulsion and said emulsion layer or other hydrophilic colloid layer contains at least one hydrazine derivative and at least one redox compound capable of releasing a development inhibitor when oxidized.