Patents by Inventor Rob Tel Halle

Rob Tel Halle 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).

  • Process for preparing chiral diphosphines
    Publication number: 20030225297
    Abstract: Compounds of formula VII are described: 1
    Type: Application
    Filed: June 5, 2003
    Publication date: December 4, 2003
    Applicants: RHODIA CHIMIE, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (C.N.R.S.)
    Inventors: Marc Lemaire, Rob Tel Halle, Emmanuelle Schulz, Michel Spagnol
  • Method for preparing chiral diphosphines
    Patent number: 6610875
    Abstract: The invention concerns a method for preparing a compound of formula (1) wherein: A represents naphthyl or phenyl optionally substituted; and Ar1, Ar2 independently represent a saturated or aromatic carbocyclic group, optionally substituted.
    Type: Grant
    Filed: December 11, 2001
    Date of Patent: August 26, 2003
    Assignees: Rhodia Chimie, Centre National de la Recherche Scientifique (CNRS)
    Inventors: Marc Lemaire, Rob Tel Halle, Emmanuelle Schulz, Michel Spagnol