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US 6,187,740 B1Granted
Alkaline detergent compositions comprising a specific cellulase
AssigneeThe Procter & Gamble Company
InventorsJean-Luc Philippe Bettiol, Christiaan Arthur Jacques Kamiel Thoen
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Abstract
Granular detergent compositions contain a bleach and a cellulase enzyme derived from Trichodenna SPP. The compositions are especially useful in a fabric laundering process where bleaching activity is desired.
Claims15
A granular bleach-containing laundry detergent composition having a 1% solution pH between about 7.5 and 10 comprising a fungal cellulase, having an optimum pH ranging from about 4 to about 10 and no cellulose binding domain and wherein said cellulase is further characterised by exhibiting the following properties:
- (a) derived from Trichoderma spp;
- (b) approximate molecular weight between 22 and 27 kDa;
- (c) iso-electric point between about 7.2 and about 8.0;
- and
- (d) pH optimum between about 5.5 and about 6.0.
2 more elements
Dependencies are inferred from the claim text.