Patents by Inventor Clark Landis

Clark Landis 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).

  • Diazaphospholane ligands for asymmetric catalysis
    Patent number: 7189883
    Abstract: This invention relates to asymmetric hydroformylation processes in which a prochiral or chiral olefin is reacted with carbon monoxide and hydrogen in the presence of an optically active metal-ligand complex catalyst to produce an optically active aldehyde or a product derived from an optically active aldehyde.
    Type: Grant
    Filed: August 25, 2005
    Date of Patent: March 13, 2007
    Inventors: Clark Landis, Thomas P. Clark, Jerzy Klosin
  • Novel diazaphospholane ligands for asymmetric catalysis
    Publication number: 20060069281
    Abstract: This invention relates to asymmetric hydroformylation processes in which a prochiral or chiral olefin is reacted with carbon monoxide and hydrogen in the presence of an optically active metal-ligand complex catalyst to produce an optically active aldehyde or a product derived from an optically active aldehyde.
    Type: Application
    Filed: August 25, 2005
    Publication date: March 30, 2006
    Inventors: Clark Landis, Thomas Clark, Jerzy Klosin