Detergent composition for treating cotton-containing fabrics containing a surfactant and a cellulase composition containing endolucanase III from trichoderma ssp
AssigneeGenencor International, Inc.
InventorsKatheen A. Clarkson, Edmund Larenas, Geoffrey L. Weiss
Life of this patent
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Abstract
Disclosed are detergent compositions containing a cleaning effective amount of a surfactant or a mixture of surfactants and from about 0.01 to about 5 weight percent of substantially pure EG III cellulase. Preferably, the detergent composition contains no more than about 5 weight percent of CBH I type components based on the total weight of cellulase proteins. When employed in aqueous wash media, the detergent compositions impart color retention/restoration properties as well as improved softening and feel properties to cotton-containing fabrics.
Claims7
A detergent composition suitable for use with cotton-containing fabrics which comprises;
- a cleaning effective amount of a surfactant or a mixture of surfactants suitable for preparing an alkaline wash medium having a pH of from above 7 to about 9;
- and from about 0.01 to about 5 weight percent of a cellulase composition comprising at least 40 weight percent of endoglucanase III based on the total weight of exo-cellobiohydrolase, endoglucanase and .beta.-glucosidase proteins in the cellulase compositionwherein said endoglucanse III is an endoglucanase component derived from any strain of Trichoderma ssp. which produces endoglucanase III and having a pH optimum of about 5.5 to 6.0, an isoelectric point of from about 7.2 to 8.0, and a molecular weight of about 23 to 28 Kdaltons.
Dependencies are inferred from the claim text.