Photographic reversal process without second exposure

Details Photographic reversal process without second exposure Photographic reversal process without second exposure

1979-10-22

1981-11-10

Louie, Jr., Won H.

Radiation imagery chemistry: process, composition, or product th

Color imaging process

Using identified radiation sensitive composition in the...

430486, 430490, 430492, G03C 550

Patent

active

042999138

ABSTRACT:
The stability of baths containing fogging agents, especially the stability of baths containing tin-II-ions, is increased by addition of an agent of the following formula ##STR1## respectively, a tautomeric or a salt thereof, the meaning of the substituents being as indicated in the specification.

REFERENCES:
patent: 1663959 (1928-03-01), Schestakoff
patent: 3141771 (1964-07-01), Bard et al.
patent: 3471295 (1969-10-01), Bockly et al.
patent: 3617282 (1971-11-01), Bard
patent: 3658535 (1972-04-01), Willems
patent: 3732104 (1973-05-01), Vandenabeele et al.
patent: 4055426 (1977-10-01), Ogawa et al.
patent: 4162161 (1979-07-01), Shimamura et al.

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