Patents by Inventor Elisabetta Piras

Elisabetta Piras 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).

  • Transition metal catalysts
    Publication number: 20070155974
    Abstract: The present invention relates to stereoisomerically enriched phosphorus compounds, transition metal catalysts which can be prepared therefrom and their use in stereoselective catalytic processes, and also a process for preparing the stereoisomerically enriched phosphorus compounds.
    Type: Application
    Filed: December 15, 2006
    Publication date: July 5, 2007
    Inventors: Hansjorg Grutzmacher, Elisabetta Piras, Florian Lang
  • Preparation of phosphorus compounds
    Patent number: 7112696
    Abstract: The present invention relates to a process for preparing phosphorus compounds and intermediates.
    Type: Grant
    Filed: May 5, 2004
    Date of Patent: September 26, 2006
    Assignee: Bayer Chemicals AG
    Inventors: Hansjörg Grützmacher, Elisabetta Piras
  • Preparation of phosphorus compounds
    Publication number: 20050020835
    Abstract: The present invention relates to a process for preparing phosphorus compounds and intermediates.
    Type: Application
    Filed: May 5, 2004
    Publication date: January 27, 2005
    Inventors: Hansjorg Grutzmacher, Elisabetta Piras