Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Two or more radiation-sensitive layers containing other than...
Patent
1975-04-16
1980-04-01
Brammer, Jack P.
Radiation imagery chemistry: process, composition, or product th
Radiation sensitive product
Two or more radiation-sensitive layers containing other than...
452510, 427202, 428900, 4273931, 430538, G03C 178, G03C 196, H01B 106
Patent
active
041960017
ABSTRACT:
Photographic elements are protected against the adverse effects resulting from accumulation of static electrical charges by incorporating in the element an antistatic layer formed from an aqueous coating composition containing a water-soluble film-forming polymeric anionic polyelectrolyte in free acid form, a water-soluble film-forming cross-linkage polymeric binder, and an acid-acting cross-linking agent for the polymeric binder. The antistatic layer is useful with both photographic films and photographic papers employed in black-and-white photography or in color photography and will function as an effective anticurl layer as well as providing excellent protection against static. It is durable, abrasion resistant, non-tacky and highly resistant to the aqueous processing baths employed in photographic processing.
REFERENCES:
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patent: 3437484 (1969-04-01), Nadeau
patent: 3552972 (1971-01-01), Meyer et al.
patent: 3574682 (1971-04-01), Honjo et al.
patent: 3769020 (1933-10-01), Verberg
patent: 3786002 (1974-01-01), Van Paeschen et al.
patent: 3793029 (1974-02-01), Parker
Hartman Ronald L.
Joseph Douglas C.
Brammer Jack P.
Eastman Kodak Company
Lorenzo A. P.
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