Konishiroku Photo Industry Co., Ltd.

Sankyo Company, Limited

Shizuo Saito

Takashi Sasaki

Kazuo Kato

Eiichi Sakamoto

Kiyoshi Yamashita

Kenichiro Okaniwa

Tsuneo Wada

Hiroshi Sugita

Nobuo Soma

Isao Kawamoto

Ryosuke Sato

Tomio Nakajima

Masao Iwamuro

Hiroyuki Inokuma

Koichi Horigome

Sadao Sugita

Yukio Morifuji

Hidenori Kawaguchi

A color photographic material having a light-sensitive silver halide emulsion layer containing a DIR compound having an amino group and a DIR compound having no amino group.

Silver halide color photographic material

A photographic material having a light-sensitive silver halide emulsion layer coated on a support. The material contains a compound represented by the following general formula [Ia] or [Ib] ##STR1## wherein R.sub.1 and R.sub.3 individually represent an alkyl, alkenyl or acyl group; R.sub.4 represents a halogen atom, an alkyl, alkenyl, cycloalkyl or cyano group, or --SO.sub.2 R.sub.5 or --COR.sub.5 group; and R.sub.5 represents a hydrogen atom, a hydroxy, alkyl, alkoxy, cycloalkoxy, aryloxy or amino group.

Light-sensitive silver halide photographic material

A silver halide emulsion containing an aldehydebis type magenta coupler and an amide compound.

Light-sensitive silver halide color photographic materials

Substances of the structure ##EQU1## wherein Z is phosphorus, X.sup.-is Cl.sup.-, Br.sup.-, ClO.sub.2 .sup.- or BF.sub.4 .sup.-, and R.sub.1 - R.sub.4 are alkyl or aromatic groups are excellent inhibitors of fog formation when incorporated in photographic emulsions containing silver halides.

Silver halide emulsion containing an arylphosphonium salt as antifoggant

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Hachioji, Japan

Shizuo Saito