Patents by Inventor Felix Hugo Beijer

Felix Hugo Beijer 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).

  • Patent number: 6914161
    Abstract: Multidentate phosphate compounds of formula (1) are prepared by reacting a 9-phosphabicyclononane, in the presence of an acid catalyst, with a 9-phospha-bicyclononane alkenylmonophosphine of formula (2), some of which, e.g., P-{2-(2-butenyl)}-9-phospha-bicyclononane, are novel compounds. The multidentate phosphine compounds of formula (1) and those of formula (3), are useful as ligands for transition metal catalysts in various types of reactions, such as, hydrogenation reactions.
    Type: Grant
    Filed: May 1, 2002
    Date of Patent: July 5, 2005
    Assignee: DSM IP Assets B.V.
    Inventors: Felix Hugo Beijer, Edwin Gerard Ljpeij
  • Publication number: 20040133041
    Abstract: The invention relates to the preparation of multidentate phosphine compounds (1), 1
    Type: Application
    Filed: November 3, 2003
    Publication date: July 8, 2004
    Inventor: Felix Hugo Beijer