Sulfonated lithium cation exchanged polystyrene photographic fil

Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Identified backing or protective layer containing

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1563088, 1563093, 427 40, 427 44, 427 541, 430531, G03C 182

Patent

active

045798141

ABSTRACT:
Photographic films comprising a base film of oriented polystyrene at least one surface of which is highly sulfonated and lithium cation exchanged.

REFERENCES:
patent: 2816027 (1957-12-01), Farrell et al.
patent: 2872318 (1959-02-01), Starck
patent: 3112199 (1963-11-01), Camerini et al.
patent: 3597208 (1971-08-01), Nishio et al.
patent: 3630742 (1971-12-01), Crawford et al.
patent: 3725109 (1973-04-01), Schulz et al.

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