G - Physics – 03 – C
Patent
G - Physics
03
C
96/96
G03C 1/485 (2006.01)
Patent
CA 1262067
Process for the preparation of photographic direct-positive emulsions Abstract Photographic direct-positive emulsions with silver halide crystals of layered structure are prepared. The silver halide crystals of these emulsions can form a latent internal image and are superficially converted to silver iodide. Normal surface developers are suitable for developing.
494413
Ag Ciba-Geigy
Gowling Lafleur Henderson Llp
Kriebel Arnd
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