Patents by Inventor Pieter Diederik Jan Grootenhuis

Pieter Diederik Jan Grootenhuis 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).

  • Gonadotropins with non-native disulfide bridges
    Patent number: 5691455
    Abstract: The present invention relates to gonadotropins consisting of an .alpha. and .beta. subunit, said gonadotropins comprising non-native disulfide bridges, preferably non-native intersubunit disulfide bridges. The gonadotropins according to the invention have improved stability. The present invention furthermore provides for pharmaceutical compositions comprising said gonadotropins.
    Type: Grant
    Filed: November 9, 1995
    Date of Patent: November 25, 1997
    Assignee: Akzo Nobel N.V.
    Inventors: Pieter Diederik Jan Grootenhuis, Judith Christina Heikoop