Patents by Inventor Francois E. A. van Houdenhoven

Francois E. A. van Houdenhoven 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 human insulin and its use as starting material for the preparation of human insulin
    Patent number: 4840897
    Abstract: A novel modified human insulin of the general formula: ##STR1## wherein R is a hydrophobic or charged amino acid or a di- or tripeptide group, comprising a hydrophobic or charged amino acid or an amide or ester of said amino acid or peptide and its use as starting material for the preparation of human insulin.
    Type: Grant
    Filed: August 20, 1985
    Date of Patent: June 20, 1989
    Assignee: Akzo N.V.
    Inventors: Gijsbert W. K. Van Dedem, Francois E. A. Van Houdenhoven
  • Anti-thromboticum based on polysacharides, method for its preparation and pharmaceutical compositions
    Patent number: 4438108
    Abstract: A new anti-thromboticum based on a mixture of oligo- and polysaccharides is provided. The invention also relates to methods for preparation thereof and to pharmaceutical compositions including the said anti-thromboticum.The new product is of natural origin and can be obtained from mammal tissue, particularly intestinal mucous. The product is useful because of its high "benefit/risk" ratio (i.e. the ratio between the anti-thrombotic activity and the haemorrhagic activity).
    Type: Grant
    Filed: May 12, 1982
    Date of Patent: March 20, 1984
    Assignee: Akzo N.V.
    Inventors: Adrianus L. M. Sanders, Dirk G. Meuleman, Huibert C. T. Moelker, Gijsbert W. K. van Dedem, Francois E. A. van Houdenhoven