Patents by Inventor Lneke van Wijngaarden

Lneke van Wijngaarden 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).

  • Blood-pressure lowering 4-bicyclic-1-piperazinyl-alkyl amides
    Patent number: 4833142
    Abstract: Blood-pressure lowering compounds having a structure as shown in the accompanying formula sheets.
    Type: Grant
    Filed: November 9, 1987
    Date of Patent: May 23, 1989
    Assignee: Duphar International Research B.V.
    Inventors: Jan Hartog, Wouter Wouters, Lneke van Wijngaarden