Chemistry of carbon compounds – Miscellaneous organic carbon compounds
Patent
1977-07-18
1979-02-27
Person, Sandra M.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
546 37, C08K 509, C08K 515, C08K 534
Patent
active
041418816
ABSTRACT:
Process for dyeing linear polyesters in the melt in brilliant deeply colored and highly light-fast dyeings, which process comprises using as dyeing agent a mixture consisting of 0.001-0.2% by weight, relative to the amount of polyester, of a perylene-3,4,9,10-tetracarboxylic acid derivative, and one or more dyes which differ from this derivative and which are soluble in polymers.
REFERENCES:
patent: 3006882 (1961-10-01), Altermatt et al.
patent: 3104233 (1963-09-01), Altermatt
patent: 3112289 (1963-11-01), Stocker
patent: 3372138 (1968-03-01), Bowman et al.
patent: 3842084 (1974-10-01), Graser
Ciba-Geigy Corporation
Di Prima Joseph F.
Person Sandra M.
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