Photographic Lippmann emulsions

Details Photographic Lippmann emulsions Photographic Lippmann emulsions

1975-01-30

1980-05-13

Kimlin, Edward C.

Radiation imagery chemistry: process, composition, or product th

Micrography, process, composition, or product other than...

430566, 430568, 430407, 430429, 430445, G03C 504, G03C 500, G03C 128

Patent

active

042026954

ABSTRACT:
Fine-grain silver halide emulsions of the Lippmann-type are described which comprise derivatives of heterocyclic mercaptans corresponding to the formulae: ##STR1## wherein: each of Z.sub.1 and Z.sub.2 represents the atoms necessary to complete a 5- or 6-membered heterocyclic ring system,

REFERENCES:
patent: T904022 (1972-11-01), Kurz et al.
patent: 2432864 (1947-12-01), Dimsdale et al.
patent: 3615617 (1971-10-01), Bardorff et al.
patent: 3615618 (1971-10-01), Wise et al.
patent: 3632345 (1972-01-01), Marx et al.
patent: 3637393 (1972-01-01), Sakamoto et al.
patent: 3640719 (1972-02-01), Konig et al.
patent: 3641046 (1972-02-01), Gates et al.
patent: 3753719 (1973-08-01), Sakamoto et al.
patent: 3841877 (1974-10-01), Williams et al.

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