Radiation imagery chemistry: process – composition – or product th – Post imaging processing – Treating with processing composition prior to imaging and...
Patent
1988-11-21
1990-04-03
Silverman, Stanley
Radiation imagery chemistry: process, composition, or product th
Post imaging processing
Treating with processing composition prior to imaging and...
427 40, 427 41, 427299, 427322, 430531, 430536, G03C 524
Patent
active
049140116
ABSTRACT:
A process for forming an anti-halation layer on the surface of a polyester photographic film support comprises the steps of (1) subjecting the surface to an activation treatment such as, for example, corona discharge treatment; (2) coating the activated surface with a composition comprising an anti-halation agent, such as carbon black, and an alkali-soluble polymeric binder, such as cellulose acetate hexahydrophthlate, dispersed in a liquid organic medium; and (3) drying the coating to thereby form an anti-halation layer which is strongly adherent to the polyester film suport yet is readily removable by an alkaline photographic processing solution.
REFERENCES:
patent: 4039333 (1977-08-01), Shirogama et al.
Eastman Kodak Company
Lorenzo Alfred P.
Silverman Stanley
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