Konishiroku Photo Industry Co., Ltd.

Masahide Tamura

Takashi Sasaki

Tsuneo Wada

Teiji Habu

Masayoshi Mayama

Hiroki Ishii

Takayoshi Omura

Shinobu Korematsu

Tohru Kobayashi

Gelatin, especially in a layer of a light-sensitive silver halide photographic material, is hardened with the reaction product of a compound having at least three vinylsulfonyl groups in the molecule and a compound having at least one water-soluble group and at least one group capable of reacting with the vinylsulfonyl group, such as --SH, .dbd.NH and --NH.sub.2.

Gelatino silver halide photographic material hardened with a reaction

A photographic film comprising a plastic support having first and second layers therein in that order, the first layer comprising a cellulose acetate together with a matting agent composed mainly of silicon dioxide of less than 1 .mu. in particle size, the second layer comprising a phosphoric acid ester, or an amine salt thereof of a C.sub.8 to C.sub.22 -higher alkyl alcohol. A light-sensitive emulsion layer is carried on the other side of the support.

Photographic films

Growing community of inventors

Hachioji, Japan

Masahide Tamura