Process for exhaust dyeing a textile fiber material: controlled addition of dye or electrolyte
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United States of America Patent
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Dec 16, 1986
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N/A
app pub date -
Oct 1, 1984
filing date -
Oct 1, 1983
priority date (Note) -
Expired
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Abstract
The invention relates to a process for exhaust dyeing a textile fibre substrate to obtain level dyeings, which process comprises the step of adding to the dyebath the effective amount of dyestuff or electrolyte or dyestuff and electrolyte either simultaneously or one after the other in specified quantities per cycle of the dyeing machine, metered according to a mathematical function.
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