Patents by Inventor Pierre J. De Clerco

Pierre J. De Clerco 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).

  • Vitamin D derivatives: therapeutic applications and applications to assays of metabolites of vitamin D
    Patent number: 5232836
    Abstract: Vitamin D derivatives corresponding to the following formula I ##STR1## in which R.sub.1 denotes a substituted alkyl group having 1 to 15 carbon atoms, in particular the side chains of vitamin D.sub.2 (C.sup.20 to C.sup.28) or D.sub.3 (C.sup.20 to C.sup.
    Type: Grant
    Filed: February 18, 1992
    Date of Patent: August 3, 1993
    Assignee: Ire-Medgenix S.A.
    Inventors: Roger Bouillon, Pierre J. De Clerco, Pierre Eliard, Maurits Vanderwalle