Chemistry of carbon compounds – Miscellaneous organic carbon compounds
Patent
1974-02-26
1977-01-04
Czaja, Donald E.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
260378, 260380, C08K 508
Patent
active
040011690
ABSTRACT:
Process for mass coloring synthetic linear polyesters which comprises incorporating into the preformed polyester one or more dyestuffs of the formulae:- ##STR1## wherein R is a group of the formula ##STR2## and X is a lower alkoxy, substituted lower alkoxy, lower alkylamino or acylamino radical which is free from hydroxy or carboxylic acid groups.
REFERENCES:
patent: 2050704 (1936-08-01), Koeberle et al.
patent: 2571319 (1951-10-01), Waters et al.
patent: 3215710 (1965-11-01), Hindermann et al.
patent: 3694402 (1972-09-01), Essam
patent: 3724998 (1973-04-01), Gehrke et al.
Cheetham Ian
Dunkerley Kenneth
Greenhaigh Colin William
Moyse James Albert
Newton David Francis
Czaja Donald E.
Imperial Chemical Industries Limited
Person S. M.
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