Process for Dyeing of Wool or Silk and Their Blends with Indigo
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United States of America Patent
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Issued Date -
Aug 19, 2010
app pub date -
Jun 27, 2006
filing date -
Jun 28, 2005
priority date (Note) -
Abandoned
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Abstract
A process for pretreatment of wool, silk or blends thereof rendering it receptive for the subsequent step of indigo dyeing. The pretreatment steps comprise in the step of cationization for imparting cationic charge and generating other dye combining sites.
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