Patents by Inventor Daniel Schichl

Daniel Schichl 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 racemization of n-acylamino acids by means of transition metal catalysts
    Patent number: 6437175
    Abstract: The present invention relates to a process for the racemization of N-acylamino acids of the formula (I) R—CH(NR1COR2)CO2H   (I) in which, in a solvent, an enantiomerically enriched mixture or an enantiomerically pure compound of the formula (I) is reacted in the presence of a transition metal salt, transition metal complex or transition metal complex salt or of a mixture thereof comprising at least one element from the group consisting of Fe, Ru, Os, Co, Rh, Ir, Ni, Pd, Pt, preferably at a temperature of 10-150° C.
    Type: Grant
    Filed: March 12, 2001
    Date of Patent: August 20, 2002
    Assignee: Aventis Research & Technologies GmbH & Co KG
    Inventors: Thomas Riermeier, Matthias Beller, Daniel Schichl, Martin Hateley
  • Process for the racemization of nu-acylamino acids by means of transition metal catalysts
    Publication number: 20010031890
    Abstract: The present invention relates to a process for the racemization of N-acylamino acids of the formula (I)
    Type: Application
    Filed: March 12, 2001
    Publication date: October 18, 2001
    Inventors: Thomas Riermeier, Matthias Beller, Daniel Schichl, Martin Hateley