Radiation imagery chemistry: process – composition – or product th – Transfer procedure between image and image layer – image... – Diffusion transfer process – element – or identified image...
Patent
1988-06-03
1989-06-20
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...
430611, 430617, G03C 554, G03C 134
Patent
active
048408719
ABSTRACT:
Process for the production of color images by the color photographic dye diffusion process in which development is brought about by heat and water. The combination of antifoggants added to the light-sensitive material, in particular the combination of compounds of formulae I and II, produces a marked improvement in storage stability and constancy of sensitivity with good D.sub.min /D.sub.max ratios. ##STR1## R.sup.1 denotes hydrogen, alkyl with up to 6 carbon atoms, hydroxy, halogen, alkoxy or substituents which together form a condensed benzene ring, and in formula II below: ##STR2## R.sup.2 denotes a group which can be split off in the process of development of the material and
REFERENCES:
patent: 4713319 (1987-12-01), Aono et al.
patent: 4761361 (1988-08-01), Ozaki et al.
Boie Immo
hlschlager Hans
Kaluschke Thomas
Peters Manfred
Schenk Gunther
Agfa-Gevaert Aktiengessellschaft
Schilling Richard L.
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