Patents by Inventor Eric Castelijn

Eric Castelijn 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).

  • Modified subtilisins and detergent, compositions containing same
    Patent number: 7189553
    Abstract: The present invention relates to enzymes produced by mutating the genes for a number of subtilisin proteases and expressing the mutated genes in suitable hosts are presented. The enzymes exhibit improved wash performance in comparison to their wild type parent enzymes. The enzymes are well-suited for use in detergent compositions.
    Type: Grant
    Filed: December 6, 2002
    Date of Patent: March 13, 2007
    Assignee: Novozymes A/S
    Inventors: Dorrit Aaslyng, Sven Branner, Sven Hastrup, Leif Norskov-Lauritsen, Ole Hvilsted Olsen, Merete Simonsen, Eric Castelijn, Maarten Robert Egmond, Johan Haverkamp, John David Marugg, Arnoldus Theodorus Anthonius Mooren