Development inhibitor-releasing type compound for photographic u

Details Development inhibitor-releasing type compound for photographic u Development inhibitor-releasing type compound for photographic u

1973-11-23

1976-05-25

Klein, David

Gas separation: apparatus

Electric field separation apparatus

Including gas flow distribution means

96 3, 96 95, G03C 530

Patent

active

039589935

ABSTRACT:
A silver photosensitive material comprising a development inhibitor-releasing compound of the formula ##EQU1## wherein Z is an atomic group necessary to form a 5 to 7 membered saturated or unsaturated carbon ring with the carbon atoms to which it is attached, said ring being unsubstituted or substituted by at least one of halogen and a member of the class consisting of alkyl, aryl, alkoxy, acyloxy, aryloxy, SY and a group forming a condensed carbon ring with said saturated or unsaturated carbon ring; Y is arylmercapto, heterocyclic, thioglycollic acid, cystein or glutathione. A method for the development of silver halide photosensitive material by the use of the foregoing compound is also disclosed.

REFERENCES:
patent: 3364022 (1968-01-01), Barr
patent: 3379529 (1968-04-01), Porter et al.

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