Radiation imagery chemistry: process – composition – or product th – Transfer procedure between image and image layer – image... – Diffusion transfer process – element – or identified image...
Patent
1991-02-13
1992-10-20
Schilling, Richard L.
Radiation imagery chemistry: process, composition, or product th
Transfer procedure between image and image layer, image...
Diffusion transfer process, element, or identified image...
430204, 430234, 430249, 430440, 430445, 430483, 430489, 430566, 430611, 430614, G03C 554, G03C 134, G03C 142
Patent
active
051569400
ABSTRACT:
A new class of photographic stabilizers is prepared and their use in photographic materials is disclosed. These compounds are 1-phenyl-3-pyrazolidinone derivatives corresponding to following general formula: ##STR1## wherein: A represents a group capable of adsorbing at the surface of silver halides;
REFERENCES:
patent: 4845020 (1989-07-01), Itoh et al.
Dewanckele Jean-Marie O.
Kok Piet
Vaes Jos A.
Wabbes Luc J.
Agfa-Gevaert N.V.
Schilling Richard L.
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