US2011203057A1PendingUtilityA1

Fabric including polyurethane elastic yarn

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Individually held — no corporate assignee on recordPriority: Oct 13, 2008Filed: Oct 9, 2009Published: Aug 25, 2011
Est. expiryOct 13, 2028(~2.2 yrs left)· nominal 20-yr term from priority
Inventors:Geoffrey HietpasRobert Dewhurst
Y10T442/3024Y10T442/413Y10T428/249921D06P 3/242D06P 3/16D10B 2211/04D10B 2401/14D04B 1/18D10B 2401/061D06P 1/39D06P 3/06D10B 2331/10D10B 2211/02D06P 3/241D10B 2331/02D03D 15/56D06P 3/8209
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Claims

Abstract

An article comprising a fabric wherein said fabric comprises a cationic dyeable polyurethane elastic yarn and an acid dyeable yarn.

Claims

exact text as granted — not AI-modified
1 . An article comprising a fabric wherein said fabric comprises a cationic dyeable polyurethane elastic yarn and an acid dyeable yarn. 
     
     
         2 . The article of  claim 1 , wherein said fabric includes a construction selected from circular knit, warp knit, and woven. 
     
     
         3 . The article of  claim 1 , wherein said acid dyeable yarn is selected from the group consisting of polyamide, silk, wool, mohair, angora, alpaca and combinations thereof. 
     
     
         4 . The article of  claim 1 , wherein the color of the fabric as measured by a-color, b-color, and L-value is within 10% of the values that are obtained by removing the cationic dyeable elastic yarn from the fabric. 
     
     
         5 . The article of  claim 4  wherein the fabric includes the polyurethane elastic yarn with cationic dye-able functionality in an amount less than 60% by weight of the fabric. 
     
     
         6 . An article comprising a fabric wherein the fabric has a uniform color and comprises a cationic dyeable polyurethane elastic yarn, an acid dyeable yarn, a cationic dye, and an acid dye, wherein said acid dyeable yarn is selected from the group consisting of polyamide, proteinaceous, and combinations thereof. 
     
     
         7 . A method for preparing a fabric comprising:
 (a) providing a fabric comprising a cationic dyeable polyurethane yarn and an acid dyeable yarn,   (b) contacting said fabric with a cationic dye, and   (c) contacting said fabric with an acid dye,   
       wherein said fabric has uniform color.

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