Radiation imagery chemistry: process – composition – or product th – Transfer procedure between image and image layer – image... – Diffusion transfer process – element – or identified image...
Patent
1993-04-26
1994-08-02
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...
430227, 430231, 430233, G03C 554
Patent
active
053344839
ABSTRACT:
The invention provides a diffusion transfer receiver comprising a support with a non-light-sensitive image receiving layer coated onto each face thereof, said image receiving layer in each case comprising a catalytic nuclei layer for physical development of transferred complexed silver halide and each composite comprising a diffusion modifying active component which is preferably a tone controlling compound. The composites of Side 1 and Side 2 are different constitutions so as to provide receivers suitable for different end users. For example Side 1 can be made suitable for creative designers while Side 2 can be made suitable for pre-sensitized plate-makers.
The invention also provides a method for improving transmission density of a receiver sheet in a non-light-sensitive image receiving layer of a silver diffusion transfer process which method comprises utilizing in the receiver layer an S-thiuronium alkyl sulfonate transmission density enhancer.
REFERENCES:
patent: 3518160 (1970-06-01), Beavers et al.
patent: 4401753 (1983-04-01), Vaes et al.
patent: 4808509 (1989-02-01), Vervlogt et al.
patent: 4859565 (1989-08-01), Dekoyzer et al.
patent: 5043246 (1991-03-01), Barnett et al.
Baker Julie
Barnett Anthony M.
Gray Colin J.
Eastman Kodak Company
Lorenzo Alfred P.
Schilling Richard L.
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