Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal
Patent
1973-12-26
1978-04-04
Higel, Floyd D.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
C-metal
260153, 544181, 544204, C09B 6206, C09B 6208, D06P 1382, D06P 366
Patent
active
040827399
ABSTRACT:
A dyestuff of the formula ##STR1## wherein F.sub.1 represents a dyestuff radical, particularly an azo dyestuff radical, R.sub.1 and R.sub.2 represent hydrogen, lower alkyl, or aryl, X.sub.1 and X.sub.2 each represent halogen, and X.sub.3 represents halogen, amino, lower alkyl amino, di-lower alkyl amino, lower alkoxy, phenoxy, lower alkylthio, or a group of the formula --N(R.sub.3)--F.sub.2 in which R.sub.3 represents hydrogen, lower alkyl, or aryl and F.sub.2 represents a dyestuff radical, particularly an azo dyestuff radical.
REFERENCES:
patent: 3108846 (1963-10-01), Utsunomiya et al.
patent: 3149100 (1964-09-01), Hindermann et al.
patent: 3226176 (1965-12-01), Hindermann et al.
patent: 3261825 (1966-07-01), Lesslie et al.
patent: 3309345 (1967-03-01), Lutwack
patent: 3362948 (1968-01-01), Andrew et al.
Almaula Prabodh I.
Ciba-Geigy AG
Glynn Michael W.
Higel Floyd D.
McC. Roberts Edward
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