Methods for reducing the harshness of a cotton-containing fabric

Details Methods for reducing the harshness of a cotton-containing fabric Methods for reducing the harshness of a cotton-containing fabric

1995-05-30

1997-07-15

Pratt, Helen

Chemistry: molecular biology and microbiology

Process of utilizing an enzyme or micro-organism to destroy...

Textile treating

435209, 510392, 510530, D06M 1600, C11D 742

Patent

active

056482639

ABSTRACT:
The present invention relates to methods of reducing the rate at which a cotton-containing fabric becomes harsh or of reducing the harshness of a cotton-containing fabric, comprising treating the cotton-containing fabric with a cellulase preparation obtained from a fungus, wherein the cellulase preparation comprises a substantially homogeneous endoglucanase component which: (a) has a pH optimum of about 7.5-10.0; (b) exhibits a CMC endoase activity of at least about 10 CMC-endoase units per mg of total protein; (c) exhibits a CAVU activity of at least about 50% at a pH of 7.0-12.0; and (d) has essentially no cellobiohydrolase activity; wherein at least about 50% by weight of the total cellulase content of the cellulase preparation is the endoglucanase component.

REFERENCES:
patent: 4435307 (1984-03-01), Barbesgaard et al.
patent: 4443355 (1984-04-01), Murata et al.
patent: 5246853 (1993-09-01), Clarkson et al.
patent: 5443750 (1995-08-01), Convents et al.

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