| PATENT ASSIGNEE'S COUNTRY | Canada |
| UPDATE | 06.99 |
| PATENT ASSIGNEE | This data is not available for free |
| PATENT CLAIMS |
Method of introducing into a surface of indigo-dyed denim, a localized area of variation in color & a high contrast between blue & white fibers, said method comprising contacting the denim with effective amount of low backstaining cellulase compn rel. to a natural Trichoderma cellulase, the enzyme compn comprising protease-treated Trichoderma cellulase that is a prodt of process comprising - Subjecting a Trichoderma cellulase contg a cellobio-hydro lase enzyme & an endoglucanase enzyme to a limited pro tease treat. by adding a protease to a cellulase, the limited protease treat. being defined by using a wt. ratio of protease/cellulase multiplied by an av. treat. time 1-10,000 gram min per gram - Stopping the protease reaction by chilling or adjusting pH - Purifying cellulase by removing added protease |
| PATENT PHOTOCOPY | Available on request |
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