Gas separation: apparatus – Electric field separation apparatus – And serially arranged nonelectrical separator
Patent
1973-11-28
1976-07-20
Klein, David
Gas separation: apparatus
Electric field separation apparatus
And serially arranged nonelectrical separator
96 33, 96 35, 96 48R, 96 49, 96 50R, 96 60R, 96 66R, 96111, G03C 700, G03C 526, G03C 524, G03C 530
Patent
active
039704580
ABSTRACT:
An improvement is provided in processes wherein an oxidation-reduction reaction is utilized to form an image. In one aspect of this invention, the improvement comprises employing an oxidizing agent and a reducing agent which undergo imagewise redox reaction in the presence of catalytic material, the oxidizing agent and the reducing agent being so chosen that the reaction products are noncatalytic for the oxidation-reduction reaction. In another aspect of this invention, a substitution inert metal complex is utilized as the oxidant in oxidation-reduction image-forming processes. Novel processing compositions and photographic materials are also described. In a specific aspect, this divisional application relates to processes for tanning a crosslinkable colloid with the reaction products of the above redox reaction.
REFERENCES:
patent: 3615508 (1971-10-01), Stephen
patent: 3748138 (1973-07-01), Bissonette
patent: 3856524 (1974-12-01), Bissonette
patent: 3862842 (1975-01-01), Bissonette
Battist G. E.
Eastman Kodak Company
Klein David
Schilling Richard L.
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