Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acid esters
Patent
1998-07-06
1999-08-17
Powers, Fiona T.
Organic compounds -- part of the class 532-570 series
Organic compounds
Carboxylic acid esters
C07C23343
Patent
active
059395796
ABSTRACT:
Disperse dyes of formula wherein R is nitro or cyano, R.sub.1 is halogen, R.sub.2 is C.sub.1 -C.sub.4 alkyl which is unsubstituted or substituted by C.sub.1 -C.sub.3 alkoxy, halogen, cyano or phenyl, R.sub.3 is C.sub.1 -C.sub.4 alkyl, R.sub.4 is methyl or ethyl, R.sub.5 is hydrogen, methyl or ethyl, and R.sub.6 is methyl or ethyl, with the proviso that R.sub.5 is not hydrogen if R is nitro, R.sub.1 is halogen and R.sub.2 is C.sub.1 -C.sub.4 alkyl.
These dyes are particularly suitable for dyeing and printing textile materials consisting of polyester fibres.
REFERENCES:
patent: 2373700 (1945-04-01), McNally et al.
patent: 3178405 (1965-04-01), Merian et al.
patent: 4210586 (1980-07-01), Clark et al.
patent: 4389531 (1983-06-01), Clark
patent: 5550217 (1996-08-01), Trottmann
patent: 5723587 (1998-03-01), Clement et al.
Derwent Abstract of JP 58-152,056, Sep. 9, 1993.
Arquint Alfons
Clement Antoine
Herzig Paul
Ciba Specialty Chemicals Corporation
Crichton David R.
Levine Jacob M.
Mansfield Kevin T.
Powers Fiona T.
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