Process for the dope dyeing of linear polyesters

Chemistry of carbon compounds – Miscellaneous organic carbon compounds

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260246R, C08K 535

Patent

active

039961915

ABSTRACT:
A process for the dope dyeing of linear polyesters, which comprises the use of dyestuffs of the formula ##STR1## wherein X represents chlorine or bromine, Y represents an etherified oxy group, X.sub.1 represents a hydrogen or halogen atom, an alkyl group, an etherified oxy group, a trifluoromethyl, cyano or alkylsulphonyl group, and X.sub.2 represents a hydrogen or halogen atom, and the dyed polyesters obtained according to this process or having incorporated a dyestuff of the above mentioned formula.

REFERENCES:
patent: 3309213 (1967-03-01), Pugin et al.
patent: 3391104 (1968-07-01), Harris et al.
patent: 3489713 (1970-01-01), Bowman et al.
patent: 3523117 (1970-08-01), Pugin et al.
Def. Pub. T883,028 to Newland et al., filed 3-29-68.

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