Patents Represented by Attorney Susan Genencor International, Inc. Faris

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  • Lipases with improved surfactant resistance
    Patent number: 6017866
    Abstract: The present invention provides mutant lipases which retain lipase activity, but have improved surfactant resistance and are thus highly advantageous for use in detergent compositions. Preferred lipases of this type include modified functional forms of a lipase of Pseudomonas alcaligenes having one or more amino acid substitutions at or near the surface of the lipase which effect interaction of the hydrophobic portions of surfactant molecules with initiation sites on the enzyme for surfactant denaturation.
    Type: Grant
    Filed: October 22, 1996
    Date of Patent: January 25, 2000
    Assignee: Genencor International, Inc.
    Inventors: Wolfgang Aehle, Gijsbert Gerritse, Hermanus B. M. Lenting