Monoazo dyestuffs which are free from ionic groups, their prepar

Details Monoazo dyestuffs which are free from ionic groups, their prepar Monoazo dyestuffs which are free from ionic groups, their prepar

1995-05-24

1996-10-29

Powers, Fiona T.

Organic compounds -- part of the class 532-570 series

Organic compounds

Azo

534854, 534855, 534859, 8532, 8639, 8922, C09B 2901, C09B 29085, C09B 3900, D06P 118

Patent

active

055697518

ABSTRACT:
The present invention relates to new useful azo dyestuffs which are free from ionic groups, of the general formula I ##STR1## wherein X.sup.1, X.sup.2, X.sup.3, Y, R, R.sup.1 and R.sup.2 have the meanings given in Claim 1, mixtures of dyestuffs of the general formula I, the preparation of dyestuffs of the general formula I and their use for dyeing and printing hydrophobic fibre materials.

REFERENCES:
patent: Re33908 (1992-05-01), Tappe et al.
patent: 933841 (1909-09-01), Jansen et al.
patent: 4249902 (1981-02-01), Kruckenberg et al.
patent: 4420308 (1983-12-01), Buhler et al.
patent: 4678476 (1987-07-01), Tappe et al.
Journal fur Praktische Chemie, Chemiker Zeitung, vol. 335, No. 6, Jun. 1993, Arylazostilbene und tolane durch Heck-Reaction. 5
Connolly & Hutz

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