Direct-positive photographic material and method for its product

Details Direct-positive photographic material and method for its product Direct-positive photographic material and method for its product

1973-11-15

1976-01-20

Klein, David

Gas separation: apparatus

Electric field separation apparatus

Electrode cleaner, apparatus part flusher, discharger, or...

96 48PD, 96 48QP, 96 60R, 427248, 427253, 96 67, G03C 524

Patent

active

039334961

ABSTRACT:
This invention relates to a photographic material yielding upon exposure a direct-positive image and to a process for the production of such material.

REFERENCES:
patent: 3562005 (1971-02-01), De Angelo et al.
patent: 3637378 (1972-01-01), Hallman et al.
patent: 3637383 (1972-01-01), Hallman et al.
patent: 3762325 (1973-10-01), Hallman et al.

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