Radiation imagery chemistry: process – composition – or product th – Color imaging process – Using identified radiation sensitive composition in the...
Patent
1991-09-20
1992-09-22
Bowers, Jr., Charles L.
Radiation imagery chemistry: process, composition, or product th
Color imaging process
Using identified radiation sensitive composition in the...
430430, 430460, 430461, G03C 700
Patent
active
051496186
ABSTRACT:
The process for bleach fixing an exposed and developed color photographic material whose silver halide emulsion layers contain silver chlorobromide emulsions having a silver bromide content of from 0.3 to 2.0 mol%, in which the bleach fixing bath (1) contains, as bleaching agent, an iron(III) complex at least 50 mol% of whose complex former corresponds to the following formula ##STR1## (2) is adjusted to a pH of x where 7.0>.times.>4.5 and (3) contains a thiosulphate
is distinguished by a powerful bleaching action and great environmental compatibility.
REFERENCES:
patent: 4774169 (1988-09-01), Kuse et al.
patent: 4857441 (1989-08-01), Abe et al.
patent: 4914008 (1990-04-01), Kurematsu et al.
Draber Edgar
Meckl Heinz
Tappe Gustav
Wichmann Ralf
AGFA -Gevaert Aktiengesellschaft
Bowers Jr. Charles L.
Neville Thomas R.
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