US2013269118A1PendingUtilityA1

Local color modification of dyed fabrics using a laccase system

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Assignee: KROUWER ANDREAS JACOBUS JOHANNAPriority: Oct 18, 2010Filed: Oct 18, 2011Published: Oct 17, 2013
Est. expiryOct 18, 2030(~4.2 yrs left)· nominal 20-yr term from priority
Inventors:Andreas Jacobus Johanna KrouwerPiera M. Pericu
D06M 16/003D06P 5/15D06P 5/02D06P 5/158
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Claims

Abstract

The present systems, compositions, and methods relate to local color modification of dyed fabrics using a laccase enzyme system.

Claims

exact text as granted — not AI-modified
1 . A textile processing method, comprising contacting a portion of dyed textile with a laccase enzyme system for a length of time and under conditions sufficient to cause a localized color modification to the portion of the textile. 
     
     
         2 . The method of  claim 1 , wherein the method is performed by wetting but not submerging the portion of the dyed textile with a composition comprising the laccase enzyme system. 
     
     
         3 . The method of  claim 1 , wherein the method is performed by applying a composition comprising the laccase enzyme system to the portion of the dyed textile, and then wetting but not submerging the portion of the dyed textile. 
     
     
         4 . The method of  claim 1 , wherein the laccase enzyme system is provided in a single composition. 
     
     
         5 . The method of  claim 1 , wherein the laccase enzyme system is provided as an aqueous, gel, semi-solid, or solid formulation. 
     
     
         6 . The method of  claim 1 , wherein the color modification is selected from lightening of color, change of color, change in color cast, and bleaching. 
     
     
         7 . The method of  claim 1 , wherein the textile is indigo-dyed denim. 
     
     
         8 . The method of  claim 1 , wherein the textile is indigo and sulfur-dyed denim. 
     
     
         9 . The method of  claim 1 , wherein the textile is a pair of jeans. 
     
     
         10 . The method of  claim 1 , wherein the portion of the textile is a pant leg, sleeve, cuff, collar, pocket, or belt loop. 
     
     
         11 . The method of  claim 1 , wherein the portion of the textile is in the form of a predetermined shape. 
     
     
         12 . The method of  claim 1 , wherein the portion of the textile is in the form of a letter, word, logo, or trademark. 
     
     
         13 . The method of  claim 1 , wherein the laccase enzyme system comprises a laccase enzyme and a mediator. 
     
     
         14 . The method of  claim 13 , wherein the laccase is a microbial laccase. 
     
     
         15 . The method of  claim 14 , wherein the laccase is from a  Cerrena  species. 
     
     
         16 . The method of  claim 15 , wherein the laccase is from  Cerrena unicolor.    
     
     
         17 . The method of  claim 16 , wherein the laccase is laccase D from  C. unicolor.    
     
     
         18 . The method of  claim 13 , wherein the mediator is syringonitrile. 
     
     
         19 . The method of  claim 1 , wherein the method is performed at a temperature of from about 20° C. to about 40° C. 
     
     
         20 . The method of  claim 1 , wherein the method is performed at a temperature of from about 20° C. to about 30° C. 
     
     
         21 . The method of  claim 1 , wherein the method is performed at the ambient temperature of tap water. 
     
     
         22 . The method of  claim 1 , wherein the method is performed at ambient air temperature. 
     
     
         23 . A locally color-modified dyed textile produced by  claim 1 .

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