Patents by Inventor Johannes W. J. Lambers

Johannes W. J. Lambers 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).

  • Retinoylamide based derivatives of sphingoid bases
    Patent number: 5792794
    Abstract: The present invention relates to active derivatives of sphingoid bases. Specifically, the invention relates to retinoylamide based derivatives of sphingoid bases. The present invention describes a method for obtaining these compounds. The invention also relates to the use of these compounds in cosmetic compositions.
    Type: Grant
    Filed: April 21, 1997
    Date of Patent: August 11, 1998
    Assignee: Gist-Brocades, N.V.
    Inventors: Johannes W. J. Lambers, Jan Verweij
  • Enzymatic synthesis of ceramides and hybrid ceramides
    Patent number: 5610040
    Abstract: The present invention provides an efficient method for the production of ceramides and hybrid ceramides via the selective N-acylation of glycosphingolipids by reacting an organic acid or ester thereof with a lysosphingolipid in the presence of a lipase in an organic medium.
    Type: Grant
    Filed: May 17, 1995
    Date of Patent: March 11, 1997
    Assignee: Gist-brocades, n.v.
    Inventors: Jan W. H. Smeets, Robertus M. De Pater, Johannes W. J. Lambers