Patents by Inventor Leopold F. C. Roevens

Leopold F. C. Roevens 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).

  • Immunostimulating 6-aryl-5,6-dihydroimidazo[2,1-beta]thiazole derivatives
    Patent number: 5527915
    Abstract: The present invention relates to novel 6-aryl-5,6-dihydroimidazo[2,1-b]thiazole derivatives having immunostimulating properties, which are useful for treating humans and warm-blooded animals suffering from disorders and/or diseases wherein the immune system is impaired or suppressed. Processes of preparing said novel compounds and compositions containing the same as active ingredient.
    Type: Grant
    Filed: May 13, 1994
    Date of Patent: June 18, 1996
    Assignee: Janssen Pharmaceutica N.V.
    Inventors: Alfons H. M. Raeymaekers, Leopold F. C. Roevens, Willy J. C. Van Laerhoven, Jean Pierre F. Van Wauwe
  • Immunostimulating 6-aryl-5,6-dihydroimidazo[2,1-b]thiazole derivatives
    Patent number: 5212192
    Abstract: The present invention relates to novel 6-aryl-5,6-dihydroimidazo[2,1-b]thiazole derivatives having immunostimulating properties, which are useful for treating humans and warm-blooded animals suffering from disorders and/or diseases wherein the immune system is impaired or suppressed. Processes of preparing said novel compounds and compositions containing the same as active ingredient.
    Type: Grant
    Filed: December 19, 1991
    Date of Patent: May 18, 1993
    Assignee: Janssen Pharmaceutica N.V.
    Inventors: Alfons H. M. Raeymaekers, Leopold F. C. Roevens, Willy J. C. Van Laerhoven, Jean P. F. Van Wauwe