Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal
Patent
1974-02-27
1976-10-05
Moyer, Donald B.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
C-metal
260310R, 96100, C07D23144, C07F 965
Patent
active
039844323
ABSTRACT:
The present invention relates to new compounds having an active methylene group or phenolic hydroxyl group and therefore capable of being used as photographic color couplers. The new compounds contain at least one radical of a phosphoric acid diester, phosphonic acid diester, phosphoric acid diamide, phosphonic acid diamide, phosphoric acid ester-amide or phosphonic acid ester-amide.
REFERENCES:
patent: 3582322 (1971-06-01), Edens et al.
Heierli Walter
Piller Bernhard
Stauner Thomas
Tschopp Paul
Almaula Prabodh I.
Ciba-Geigy AG
Kolodny Joseph G.
McC. Roberts Edward
Moyer Donald B.
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