Process for the production of masked positive color images by th

Details Process for the production of masked positive color images by th Process for the production of masked positive color images by th

1975-10-23

1977-09-06

Klein, David

Gas separation: apparatus

Apparatus for selective diffusion of gases

Plural separate barriers

96 5, 96 6, 96 68, 96 74, G03C 704, G03C 176, G03C 300

Patent

active

040465667

ABSTRACT:
The present invention relates to a process for the production of masked subtractive positive color images in accordance with the silver dye bleach process. In the material to be processed

REFERENCES:
patent: 2183395 (1939-12-01), Gaspar
patent: 2376217 (1945-05-01), Wilder
patent: 2393756 (1946-01-01), Dearing
patent: 2694008 (1954-11-01), Berger et al.
patent: 3148062 (1964-09-01), Whitmore et al.
patent: 3227551 (1966-01-01), Barr et al.
patent: 3647436 (1972-03-01), Bush
patent: 3764331 (1973-10-01), Ohyama et al.

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