Process for hardening photographic gelatin with vinyl...

Details Process for hardening photographic gelatin with vinyl... Process for hardening photographic gelatin with vinyl...

G - Physics

03

C

96/72

G03C 1/30 (2006.01)

Patent

CA 1248391

Process for the hardening photographic gelatin with vinyl sulfones containing sulfonyl ethyl sulfate groups A B S T R A C T The difficulties in the casting process of photographic gelatin containing layers caused by increases in the vis- cosity of the casting solution due to the premature cross- linking of gelatin can be prevented if a compound con- taining at least one vinyl sulfone group and at least one sulfonyl ethyl sulfate group in the form of their salts is incorporated in the casting composition of the gelatin-containing layer(s) or in the gelatin-containing layer(s) applied to the layer support.

431538

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