Patents by Inventor Derek Maitland

Derek Maitland 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).

  • Tamoxifen and analogues thereof
    Patent number: 6172263
    Abstract: A method of preparing a first geometric isomer of tamoxifen or an analogue comprises allowing the first isomer to crystallize in hexanol and the product thereof to crystallize in methanol and then derivatising the product of the methanol crystallization to prepare said first isomer in very high purity.
    Type: Grant
    Filed: July 20, 1998
    Date of Patent: January 9, 2001
    Assignee: Bradford University
    Inventors: John Double, Derek Maitland, Ioana Popa