Hardening photographic layers containing gelatin using a...

Details Hardening photographic layers containing gelatin using a... Hardening photographic layers containing gelatin using a...

G - Physics

03

C

96/215, 96/72

G03C 1/76 (2006.01) G03C 1/30 (2006.01)

Patent

CA 1122464

ABSTRACT OF THE DISCLOSURE In a process for hardening gelatine containing photograph?c layers, in particular multilayered photogra?hic films, using conventional hardeners and quick acting hardeners, the surface of a layer which contains gelatin? and complex forming organic or inorganic salts is exposed to the action of an aqueous solu- tion containing a wetting agent and a quick acting hardener, the quantity of water applied with the solution being calcu- lated so that the layer or multilayered film undergoes swelling to a certain extend, and the degree of swelling is maintained for a period from 10 to 200 seconds, whereupon the layer or mul- tilayered film is dried at a temperature below 30°C.

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