Selectively removing embedded lint precursors with cellulase
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United States of America Patent
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Nov 14, 1995
Issued Date -
N/A
app pub date -
Jan 26, 1994
filing date -
Apr 10, 1992
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Abstract
The present invention comprises a three step process that selectively removes embedded cellulose lint precursors from a cotton fabric with a cellulase solution during a continuous fabric manufacturing process. The cellulase solution, applied continually, travels in a finite, limited path and digests fibrils, forming embedded lint precursors, from the fabric. Undigestable fibrils, located outside the path travelled by the cellulase, remain undamaged by the cellulase. After the fabric's first wash, no appreciable linting is observed on the surface thereof and the fabric retains at least about 90% of its strength. Further, the process produces fabrics which do not exhibit commercially unacceptable yellowing from the action of the cellulase upon the cellulose.
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