Patents by Inventor Weiwei Zuo

Weiwei Zuo 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).

  • Iron catalysts with unsymmetrical PNN'P ligands
    Patent number: 9597673
    Abstract: The present invention relates to catalytic materials for hydrogenation or asymmetric hydrogenation. In particular, the invention relates to iron (II) complexes containing unsymmetrical tetradentate diphosphine (PNN?P) ligands with two different nitrogen donor groups useful for catalytic transfer hydrogenation or asymmetric transfer hydrogenation of ketones, aldehydes and imines.
    Type: Grant
    Filed: May 27, 2013
    Date of Patent: March 21, 2017
    Assignee: The Governing Council of the University of Toronto
    Inventors: Alexandre Mikhailine, Robert H. Morris, Paraskevi Olympia Lagaditis, Weiwei Zuo
  • IRON CATALYSTS WITH UNSYMMETRICAL PNN'P LIGANDS
    Publication number: 20150151289
    Abstract: The present invention relates to catalytic materials for hydrogenation or asymmetric hydrogenation. In particular, the invention relates to iron (II) complexes containing unsymmetrical tetradentate diphosphine (PNN?P) ligands with two different nitro gen donor groups useful for catalytic transfer hydrogenation or asymmetric transfer hydrogenation of ketones, aldehydes and imines.
    Type: Application
    Filed: May 27, 2013
    Publication date: June 4, 2015
    Inventors: Alexandre Mikhailine, Robert H. Morris, Paraskevi Olympia Lagaditis, Weiwei Zuo