Chemistry: electrical and wave energy – Processes and products – Electrostatic field or electrical discharge
Patent
1977-10-03
1979-03-20
Prescott, Arthur G.
Chemistry: electrical and wave energy
Processes and products
Electrostatic field or electrical discharge
204151, 204301, B01D 1302, C02C 512
Patent
active
041452712
ABSTRACT:
A method for regenerating an oxidized photographic developer, which comprises bringing the oxidized photographic developer into contact with an adsorbent material which has affinity for the oxidation product of the developing agent or its derivatives and is substantially insoluble in the developer, and a method for regenerating an oxidized photographic developer, which comprises subjecting the oxidized developer to a contacting treatment with an adsorbent material which has affinity for the oxidation product of the developing agent or it derivatives and is substantially insoluble in the developer, and to an electrodialysis treatment using ion exchange membranes.
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patent: 3926759 (1975-12-01), Horn et al.
patent: 3998710 (1976-12-01), Itai et al.
patent: 4013527 (1977-03-01), Idota et al.
Priesthoff et al., Jrnl. of the SMPTE, 65, Sep. 1956, pp. 478-484.
Priesthoff, Jrnl. of the SMPTE, 66, Feb. 1957, pp. 64 & 65.
Mizusawa et al., Bulletin of the Society of Scientific Photography of Japan, 18, Dec. 1968, pp. 38-44.
Iribe Seiki
Nosse Yoshinori
Ono Takezo
Ono Tomoyoshi
Suzuki Hideaki
Prescott Arthur G.
Teijin Limited
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