Patents by Inventor Alan C. Spreadbury

Alan C. Spreadbury 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 producing 9-carbamoyl fluorene derivatives
    Patent number: 4585894
    Abstract: Processes are described for preparing pharmaceutical 9-carbamoyl-9-aminoalkylfluorenes and intermediates in their preparation.
    Type: Grant
    Filed: October 19, 1983
    Date of Patent: April 29, 1986
    Assignee: Eli Lilly and Company
    Inventors: Derek Johnson, Alan C. Spreadbury