Static resistant X-ray intensifying screens

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428421, 428422, 428690, 428691, 428704, 428913, 428483, 428910, 428480, 428461, 428463, 427 44, 427 541, 2504831, 2504881, 378185, B32B 2720, B32B 2736, B32B 2730, G01J 158

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active

046667741

ABSTRACT:
X-ray intensifying screen comprising, in order, support; fluorescent phosphor containing active layer; and protective topcoat which is a flexible film of a fluorine containing polymer, the topcoat being energy treated under oxidative condition, e.g., corona discharge, etc., and having an antistatic agent applied thereto, e.g., from a solution containing at least 0.1% by weight of an anionic, cationic, nonionic or amphoteric antistatic agent. The X-ray intensifying screens have improved resistance to static.

REFERENCES:
patent: 4199650 (1980-04-01), Mirtich et al.
patent: 4214035 (1980-07-01), Herberger
patent: 4225653 (1980-09-01), Brixner
patent: 4309483 (1982-01-01), Gravert
patent: 4317788 (1982-03-01), Imada et al.
patent: 4378392 (1983-03-01), Segel
patent: 4438164 (1984-03-01), Pfeifer et al.
patent: 4491620 (1985-01-01), Joiner, Jr.
In the Matter of the Application of Chester W. Fitko, USCCPA Patent Appeal #76-721, Decided Jun. 2, 1977.

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