Water-soluble polyfluoro acid azo dyestuffs
AssigneeProduits Chimiques Ugine Kuhlmann
InventorsJacques P. E. Pechmeze, Robert F. M. Sureau
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Abstract
A compound having the formula: ##STR1## wherein X represents a --SO.sub.3 H or PO.sub.3 H.sub.2 Y represents hydrogen, chlorine, alkyl, alkoxy or nitro, Z represents hydrogen, B represents a p-phenylene or 1,4-naphthylene unsubstituted or substituted by one or two alkyl or alkoxy groups, R represents hydrogen, alkyl or alkoxy, R.sub.1 represents hydrogen, chlorine, alkyl, alkoxy or acetylamino, R.sub.2 represents hydrogen, alkyl, cyanethyl or hydroxyalkyl, the alkyl and alkoxy having 1 to 5 carbon atoms, ##STR2##
Claims4
A compound having the formula:
- ##STR7## X represents a --SO.sub.3 H or PO.sub.3 H.sub.2 Y represents hydrogen, chlorine, alkyl, alkoxy or nitro;
- Z represents hydrogen;
- B represents p-phenylene or 1,4-naphthylene unsubstituted or substituted by one or two alkyl or alkoxy groups;
- R represents hydrogen, alkyl or alkoxy;
- R.sub.1 represents hydrogen, chlorine, alkyl, alkoxy or acetylamino;
- and
- R.sub.2 represents hydrogen, alkyl, cyanethyl or hydroxyalkyl, the alkyl and alkoxy having 1 to 5 carbon atoms.
The sodium salt of [4-(N-ethyl-N-3',3',4',4',4'-pentafluorobutyl)amino-2-methyl-benzene]-<1 azo 4'>-[benzene-azo-benzene-3-sulphonic] acid.
The sodium salt of [4-(N-cyanethyl-N-3',3',4',4',4'-pentafluorobutyl)amino-2-methyl-benzene]- <1 azo 4'>-[benzene-azo-benzene-3-sulphonic] acid.
The sodium salt of [4-N-ethyl-N-3',3',4',4',4'-pentafluorobutyl)amino-2-methyl-benzene]-<1 azo 4'>-[naphthalene-azo-benzene-3-sulphonic] acid.
Dependencies are inferred from the claim text.