Radiation imagery chemistry: process – composition – or product th – Color imaging process – Using identified radiation sensitive composition in the...
Patent
1980-08-27
1982-05-04
Brown, J. Travis
Radiation imagery chemistry: process, composition, or product th
Color imaging process
Using identified radiation sensitive composition in the...
430400, 430430, 430461, 430943, G03C 532
Patent
active
043283063
ABSTRACT:
A method for bleaching silver halide color photographic materials is described using a bleach solution containing an organic acid metal complex salt and hydrogen peroxide or a compound releasing hydrogen peroxide, wherein the bleaching activity of the bleach solution can be effectively maintained for a long period of time by supplying thereto a replenisher composed separately of a composition containing hydrogen peroxide or a compound releasing hydrogen peroxide and a composition containing an organic acid metal complex salt, which are separately stored and added as a mixture thereof or separately to the bleach solution when the activity thereof is weakened during processing or during storage of the bleach solution.
REFERENCES:
patent: 3256092 (1966-06-01), Means et al.
patent: 3870520 (1975-03-01), Shimamura et al.
Defensive Publication T878,007, published Sep. 8, 1970.
Defensive Publication T862,009, published May 6, 1969.
Idota Yoshio
Yamada Minoru
Brown J. Travis
Fuji Photo Film Co. , Ltd.
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