Process for dyeing or printing polyamide material
AssigneeCiba-Geigy Corporation
InventorsJames Kenneth Skelly, David George Evans
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Abstract
A process for dyeing or printing materials made from natural or synthetic polyamide, which process comprises treating these materials with a dye liquor or printing paste containing the dye of the formula I ##STR1## wherein R represents hydrogen or a metal cation, as well as water and, optionally, further additives.
Claims7
A process for dyeing or printing materials made from natural or synthetic polyamide, which process comprises treating these materials with a dye liquor or printing paste containing the dye of the formula I ##STR8## wherein R represents hydrogen or a metal cation, as well as water and, with or without further additives.
An aqueous dye liquor or printing paste which contains water, the dye of the formula I, ##STR9## wherein R represents hydrogen or a metal cation, and with or without further additives.
Dependencies are inferred from the claim text.