Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Antihalation or filter layer containing
Patent
1990-08-21
1991-07-16
Brammer, Jack P.
Radiation imagery chemistry: process, composition, or product th
Radiation sensitive product
Antihalation or filter layer containing
430931, 524 91, 526259, 544132, 544368, 546226, 548261, 548259, 548260, G03C 1815
Patent
active
050324985
ABSTRACT:
The novel UV-absorbers are compounds of the formula ##STR1## in which R.sup.1 is, for example, hydrogen, n is one of the numbers 1 or 2 and R.sup.2 is an appropriate monovalent or divalent radical, for example --OH or --O-CH.sub.2 CH.sub.2 --O--. The UV-absorbers are used in particular for stabilising and improving lacquers and photographic material.
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Rody Jean
Slongo Mario
Brammer Jack P.
Ciba-Geigy Corporation
Falber Harry
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