Compositions for biobleaching coupled with stone washing of indigo dyed denims and process thereof
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United States of America Patent
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Feb 14, 2012
Grant Date -
Jan 21, 2010
app pub date -
May 8, 2007
filing date -
Aug 25, 2006
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Disclosed herein are novel compositions for biobleaching coupled with stone washing of indigo dyed denims comprising a blend of glucose oxidase, catalases and cellulases in the ratio of 1.0:10.0:1.0 along with sugar base, peroxide source and optional adjuvants and a process for the said biobleaching coupled with stone washing wherein the process is carried out at optimized conditions of neutral pH (6.5-7.0) and a temperature of 55° C. Processing time may vary from 15 minutes to 90 minutes depending on the extent of bleach required for the fabric.
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