US2008060140A1PendingUtilityA1

Method for achieving a pigment dye look and article produced by same

Assignee: KOITZ MARTINPriority: Sep 8, 2006Filed: Sep 7, 2007Published: Mar 13, 2008
Est. expirySep 8, 2026(~0.1 yrs left)· nominal 20-yr term from priority
Inventors:Martin Koitz
D06B 11/0089D06B 11/0096D06P 1/00
24
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Claims

Abstract

Embodiments of the present invention provide methods for achieving a pigment dye look and articles produced by same. In some embodiments, a method of dying knit fabrics includes treating a knit fabric with a cationic agent to add a positive charge to the knit fabric; and contacting the treated knit fabric with a negatively charged direct dye, wherein the direct dye adherence to the knit fabric is improved, with more uniform coloring and improved transfer resistance, while minimizing dye over-penetration, with reduced direct dye usage. In some embodiments, the method may further include cutting and sewing the dyed knit fabric to form a garment; and washing down the cut and sewn dyed knit fabric to produce a garment.

Claims

exact text as granted — not AI-modified
1 . A method of dying knit fabrics, comprising
 treating a knit fabric with a cationic agent to add a positive charge to the knit fabric; and   contacting the treated knit fabric with a negatively charged direct dye, wherein the direct dye adherence to the knit fabric is improved, with more uniform coloring and improved transfer resistance, while minimizing dye over-penetration, with reduced direct dye usage.   
   
   
       2 . The method of  claim 1 , further comprising:
 cutting and sewing the dyed knit fabric to form a garment; and   washing down the cut and sewn dyed knit fabric to produce a garment.   
   
   
       3 . An article produced by the method of  claim 1 . 
   
   
       4 . An article produced by the method of  claim 2 .

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