Patents by Inventor Jonathan David Hull

Jonathan David Hull 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 the preparation of optically active methadones in high enantiomeric purity
    Patent number: 6143933
    Abstract: A method of preparing optically active methadones comprises an enzymatic process for the resolution of 1-dialkyl-amino-2-propanol and conversion of the enantiomers to the optically active methadones in high enantiomeric purity.
    Type: Grant
    Filed: April 9, 1999
    Date of Patent: November 7, 2000
    Assignee: Salford Ultrafine Chemicals & Research Ltd.
    Inventors: Feodor Scheinmann, Jonathan David Hull, Nicholas John Turner