Radiation imagery chemistry: process – composition – or product th – Post imaging processing – Developing
Patent
1992-08-03
1993-08-17
Le, Hoa Van
Radiation imagery chemistry: process, composition, or product th
Post imaging processing
Developing
430486, 430489, 430490, 430523, 430551, 430607, 430613, G03C 526
Patent
active
052368157
ABSTRACT:
A new class of photographic masked stabilizers is disclosed showing following general chemical formula (Ia) or (Ib): ##STR1## wherein X and Y each independently represent N or CR, R being hydrogen or lower alkyl,
REFERENCES:
CA 75(26): 152988q. Dec. 27, 1991.
Dewanckele Jean-Marie O.
Graindourze Marc B.
Kok Piet
Ooms Richard A.
Agfa-Gevaert N.V.
Le Hoa Van
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