Herstellung von Bis-azoverbindungen

1289856 Maroon disazo dyestuffs CROMPTON & KNOWLES CORP 12 Nov 1969 [14 Nov 1968] 55449/69 Heading C4P Novel dyestuffs of the formula (wherein R 1 is H, CH 3 , OCH 3 or Cl; R 2 is H or CH 3 ; R 3 is C 1-4 alkyl; and M is H, Na, K or NH 4 ) are prepared by diazotizing and coupling aniline, a tolu...

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Bibliographic Details
Main Author F.,FEEMAN,JAMES
Format Patent
LanguageGerman
Published 30.11.1970
Edition1
Subjects
ADHESIVES
CHEMISTRY
DYES
LAKES
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
MORDANTS
NATURAL RESINS
ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES
PAINTS
POLISHES
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Summary:1289856 Maroon disazo dyestuffs CROMPTON & KNOWLES CORP 12 Nov 1969 [14 Nov 1968] 55449/69 Heading C4P Novel dyestuffs of the formula (wherein R 1 is H, CH 3 , OCH 3 or Cl; R 2 is H or CH 3 ; R 3 is C 1-4 alkyl; and M is H, Na, K or NH 4 ) are prepared by diazotizing and coupling aniline, a toluidine, an anisidine or a chloroaniline to α-naphthylamine, and rediazotizing the product and coupling with a sulphobenzylalkyl-aniline or -o or m-toluidine. The dyestuffs dye polyamide fibres in light-fast, maroon shades.
Bibliography:Application Number: CH19690016919