Water-insoluble azlactone dyestuffs, processes for their prepara

Details Water-insoluble azlactone dyestuffs, processes for their prepara Water-insoluble azlactone dyestuffs, processes for their prepara

1980-10-17

1982-01-19

Clingman, A. Lionel

Harness for working animal

8690, 8922, 260 37NP, 260 40P, C09B 2300

Patent

active

043118364

ABSTRACT:
Water-insoluble azlactone dyestuffs of the formula ##STR1## wherein A represents phenyl, chlorophenyl, bromophenyl, lower alkyl-phenylene, lower alkoxy-phenylene or pyridyl, B represents phenyl, chlorophenyl, lower alkyl-phenylene, lower alkoxy-phenyl, di(lower alkyl) amino-phenylene, cyano-phenyl, ##STR2## acetylamino-phenylene, nitro-phenyl, methylenedioxyphenyl, naphthyl, furyl, thienyl, pyrollyl, N-lower alkyl-pyrollyl, pyridyl or indolyl, and n stands for the integer 0 or 1, said dyestuffs being suitable--alone or in mixture with one another or in mixture with other dyestuffs--for the dyeing or printing of synthetic fibrous materials, such as fibers of cellulose di, 21/2- or triacetate, polyamides or particularly of polyesters, such as polyethylene terephthalate.

REFERENCES:
patent: 3617170 (1971-11-01), Hansen
patent: 3847909 (1974-11-01), Schickfluss et al.
patent: 4005080 (1977-01-01), Koch
patent: 4093585 (1978-06-01), Teise et al.
patent: 4097444 (1978-06-01), Teise et al.
patent: 4142043 (1979-02-01), Koch

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