Method for hardening gelatin
AssigneeKonishiroku Photo Industry Co., Ltd.
InventorsTeiji Habu, Tsuneo Wada, Takashi Sasaki, Shigemasa Itoh, Takayoshi Ohmura, Hiroki Ishii, Hisashi Yamaguchi
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Abstract
This invention relates to a method of hardening gelatin which is accomplished by combining a compound containing at least one carbo-di-imide group with a compound having at least two vinyl sulfonyl groups. This combination has application to the photographic industry by providing a method of hardening the type of gelatin which is used in a gelatin -- containing photographic layer of a light-sensitive halide photographic material.
Claims6
A method for hardening gelatin, which comprises treating said gelatin with a combination of a compound selected from the group consisting of:
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Dependencies are inferred from the claim text.