Radiation imagery chemistry: process – composition – or product th – Transfer procedure between image and image layer – image... – Diffusion transfer process – element – or identified image...
Patent
1981-08-18
1982-11-09
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...
430222, 430225, 430226, 430562, G03C 140, G03C 700, G03C 110
Patent
active
043585264
ABSTRACT:
A photographic light-sensitive sheet for the color diffusion transfer process which comprises a support having thereon at least one light-sensitive silver halide emulsion layer having associated therewith a compound represented by the following general formula (I): ##STR1## wherein X.sup.1 represents --J--NR.sup.2 -- or --NR.sup.2 --J-- wherein R.sup.2 represents a hydrogen atom or an alkyl group, and J represents --SO.sub.2 -- or --CO--; R.sup.1 represents an alkyl group; X.sup.2 represents --R.sup.3 --L).sub.k (R.sup.4).sub.e -- wherein R.sup.3 and R.sup.4, which may be the same or different, each represents an alkylene group, a substituted alkylene group, a phenylene group or a substituted phenylene group, L represents --O--, --CO--, --SO.sub.2 NH--, --CONH--, --NHSO.sub.2 --, --NHCO--, --SO.sub.2 -- or --SO--, k represents 0 or 1, and e represents 1 when k is 1, or 1 or 0 when k is 0, provided that when X.sup.2 bonds to X.sup.1, X.sup.1 bonds to R.sup.3 ; i and j each represents 0 or 1; and Y represents a moiety which provides, as a result of development processing under alkaline conditions, an azo dye compound having a different diffusibility from that of the azo dye image-forming compound represented by the formula (I).
REFERENCES:
patent: 3932380 (1976-01-01), Krutak et al.
patent: 4268606 (1981-05-01), Haase et al.
patent: 4268624 (1981-05-01), Fujita et al.
Fujita Shinsaku
Harada Tooru
Itoh Isamu
Ono Shigetoshi
Yoshida Yoshinobu
Fuji Photo Film Co. , Ltd.
Schilling Richard L.
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