Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal
Patent
1973-01-31
1976-12-14
Higel, Floyd D.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
C-metal
260174, 260178, 260184, 260206, C09B 3106, D06P 324
Patent
active
039975223
ABSTRACT:
Disazo dyestuffs which in the form of the free acid correspond to the general formula ##STR1## wherein R denotes an alkyl radical with 1-4 carbon atoms, X represents hydrogen or a methyl group and Y represents hydrogen or an alkyl radical with 1-4 carbon atoms, and the ring A can be substituted by chlorine or alkyl groups with 1-4 C atoms.
The dyestuffs are especially suitable for dyeing polyamide fibers from neutral to weakly acid dyebaths. The dyeings are of good light fastness.
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Nickel Horst
Siegel Edgar
Bayer Aktiengesellschaft
Higel Floyd D.
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