专利名称：Dyeing process
发明人：Edwin Dennis Harvey,David Melville
Fawkes,Denis Ronald Lemin,James AnthonyHawkes
申请号：US05/389155申请日：19730817公开号：US04000970A公开日：19770104
摘要：A process for the batdhwise dyeing of polyamide textile materials whichcomprises treating said material in an aqueous dye liquor containing not more than 10%by volume of at least one organic liquid capable of forming an azeotrope with water andan anionic dye, said dye liquor being maintained during at least part of the treatment at atemperature higher than the boiling point of said azeotrope and under a pressuregreater than atmospheric pressure, and then recovering the organic liquid, by distillationbefore removing the textile material from the aqueous dye liquor.
申请人：IMPERIAL CHEMICAL INDUSTRIES LIMITED
代理机构：Cushman, Darby & Cushman
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