Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Two or more radiation-sensitive layers containing other than...
Patent
1992-06-01
1994-11-15
Bowers, Jr., Charles L.
Radiation imagery chemistry: process, composition, or product th
Radiation sensitive product
Two or more radiation-sensitive layers containing other than...
430512, 430931, G03C 146
Patent
active
053647491
ABSTRACT:
A photographic material is described which comprises, on a base, blue-sensitive, green-sensitive and/or red-sensitive silver-halide emulsion layers and if desired a protection layer, a layer containing a UV absorber being arranged between the uppermost silver-halide emulsion layer and the protection layer or on top of the uppermost silver-halide emulsion layer, wherein the UV absorber conforms to the formula ##STR1## in which the radical R.sub.1 is alkyl, substituted alkyl, alkenyl, glycidyl, cycloalkyl or phenylalkyl, and R.sub.12 is alkyl, benzyl, cyclohexyl, phenyl, substituted phenyl or alkoxy.
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Derwent Abst. WPI Acc No: 68-84923P/00.
Derwent Abst. WPI Acc. No: 68-22562P/18.
Derwent Abst. for CH480090.
Burdeska Kurt
Leppard David G.
Slongo Mario
Bowers Jr. Charles L.
Ciba-Geigy Corporation
Hall Luther A. R.
Letscher Geraldine
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