Organic compounds -- part of the class 532-570 series – Organic compounds – Chalcogen in the nitrogen containing substituent
Patent
1983-06-07
1985-06-25
Raymond, Richard L.
Organic compounds -- part of the class 532-570 series
Organic compounds
Chalcogen in the nitrogen containing substituent
2602433, 430138, 544 586, 544 70, 544 95, 544105, 544230, 544245, 544248, C07D23972, C07D26512
Patent
active
045255881
ABSTRACT:
The invention relates to chromogenic naphtholactams of the general formula ##STR1## wherein Q is the radical of a couplable compound,
REFERENCES:
patent: 3959270 (1976-05-01), Fauran et al.
Ciba Geigy Corporation
Mansfield Kevin T.
McC. Roberts Edward
Raymond Richard L.
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