Patents by Inventor Wilhelmus Antonius H. Van Der Kleij

Wilhelmus Antonius H. Van Der Kleij 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).

  • Alkalitolerant xylanases
    Patent number: 6140095
    Abstract: The present invention discloses enzymes having xylanase considerable activity at a pH of 9.0 and a temperature of 70.degree. C. The enzymes are obtainable from deposited strains which are related to alkaliphilic Bacilli. The enzymes are suited for use in paper and pulp production processes.
    Type: Grant
    Filed: December 29, 1995
    Date of Patent: October 31, 2000
    Assignee: DSM N.V.
    Inventors: Diane P. Williams, Sara Iverson, Roberta Lee Farrell, Pieter Van Solingen, Wilhelmina Theresia Herbes, Wilhelmus Antonius H. Van Der Kleij, Rudolf Franciscus C. Van Beckhoven, Wilhelmus Johannes Quax, Margaretha Adriana Herwijer, Frits Goedegebuur, Brian Edward Jones