Back to results
US 6,022,957 AGranted
Azothiophenes and mixtures thereof
AssigneeBASF SE
InventorAlan T. Leaver
Life of this patent
Estimating the term…
Abstract
Azothiophene disperse dyes of Formula (1) ##STR1## in which R, R.sup.1, R.sup.2 and R.sup.3 each independently is alkyl or alkenyl and mixtures thereof with other dyes are useful for dyeing synthetic textile material or a fiber blend thereof such as secondary cellulose acetate, cellulose triacetate, polyamide, polyacrylonitrile and aromatic polyester.
Claims11
An azothiophene of Formula (1):
- ##STR37## in which R, R.sup.1, R.sup.2 and R.sup.3 each independently is alkyl or alkenyl.
Dependencies are inferred from the claim text.