Patents by Inventor Neeltje A. Kraayeveld

Neeltje A. Kraayeveld 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).

  • Sulphated K5 antigen and sulphated K5 antigen fragments
    Patent number: 5071969
    Abstract: The invention relates to sulphated K5 antigen and sulphated K5 antigen fragments containing at least 3 monosaccharide units and salts thereof, having interesting antiangiogenic and antitumor activities and a favorable ratio of the activities with respect to anticoagulant properties. In addition, the compounds can be used for the treatment of diseases caused by envelope viruses.
    Type: Grant
    Filed: March 8, 1989
    Date of Patent: December 10, 1991
    Assignee: Akzo N.V.
    Inventors: Constant A. A. van Boeckel, Gijsbert W. K. van Dedem, Neeltje A. Kraayeveld