Patents by Inventor Penelope Ann Chaloner

Penelope Ann Chaloner 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).

  • Catalytic process
    Patent number: 6323370
    Abstract: The present invention relates to methods for the reductive amination of a carbonyl-containing compound. R1R2CO where R1 and R2 are either H, alkyl, aryl or heterocyclic etc with an amine NHR3R4 where R3 and R4 arm H, alkyl, aryl, or heterocyclic in the presence of a homogeneous iridium catalyst and gaseous hydrogen.
    Type: Grant
    Filed: August 25, 2000
    Date of Patent: November 27, 2001
    Assignee: Johnson Matthey Public Limited Company
    Inventors: Penelope Ann Chaloner, Simon Collard, Richard David Ellis, Ann Kathleen Keep