Silver halide emulsions containing acyclic hydrolysis...

G - Physics – 03 – C

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96/145, 96/194

G03C 1/10 (2006.01) G03C 1/34 (2006.01)

Patent

CA 1153608

Abstract of the Disclosure: Photographic silver halide emulsions are pro- tected against latent image fading by latent image stabilizing compounds having the structure: Image wherein: R1 is hydrogen, alkyl, or aryl, R2 and R3 are each individually hydrogen alkyl, alkoxy, carbox;, alkoxycarbonyl, or alminocarbonyl; R4 and R5 are each individually hydrogen, alkyl, aryl, cyano, halogen, formyl, carboxy, alkoxy- carbonyl, aryloxycarbonyl or aminocarbonyl; n is an integer of 1 or 2; and m?n is a cation of valence n.

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