Patents by Inventor Maarten R. Egmond

Maarten R. Egmond has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Use of sphingoid base for inhibiting ceramidase activity
    Publication number: 20030064936
    Abstract: The present invention relates to the use of an active compound including a sphingoid base, a derivative of a sphingoid base, a salt of a sphingoid base, a ceramide or a mixture of two or more of these compounds for manufacturing a composition for topical application for inhibiting mammalian ceramidase activity in the skin and microbial ceramidase originating from micro-organisms present on the skin. The composition may further contain an amount of a compound capable of complexating divalent cations.
    Type: Application
    Filed: August 30, 2002
    Publication date: April 3, 2003
    Inventors: Willem F. Nieuwenhuizen, Wim Van der Wilden, Maarten R. Egmond, Inge Oudenaarde
  • Detergent compositions comprising a modified subtilisin
    Patent number: 5631217
    Abstract: This invention relates to enzymes, to rDNA techniques applicable for example to their production, to mutated genes, vectors and mutant and transformed microorganisms useful in their production, and to their uses including for example enzymatic detergent and cleaning compositions containing them.
    Type: Grant
    Filed: September 13, 1995
    Date of Patent: May 20, 1997
    Assignees: Novo Nordisk A/S, Unilever PLC
    Inventors: Sven Branner, Sven Hastrup, Nina Eriksen, Poul Lindegaard, Ole H. Olsen, Eric Casteleijn, Maarten R. Egmond, Johan Haverkamp, Wouter Musters, Jakob de Vlieg
  • Subtilisin mutants
    Patent number: 5482849
    Abstract: This invention relates to enzymes, to rDNA techniques applicable for example to their production, to mutated genes, vectors and mutant and transformed microorganisms useful in their production, and to their uses including for example enzymatic detergent and cleaning compositions containing them.
    Type: Grant
    Filed: December 20, 1991
    Date of Patent: January 9, 1996
    Assignee: Novo Nordisk A/S
    Inventors: Sven Branner, Sven Hastrup, Nina Eriksen, Poul Lindegaard, Ole H. Olsen, Eric Casteleijn, Maarten R. Egmond, Johan Haverkamp, Wouter Musters, Jakob de Vlieg