Patents by Inventor Susan E. Murfitt

Susan E. Murfitt 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).

  • Patent number: 4140691
    Abstract: The invention provides a process for preparing indole derivatives in which a compound containing an indole ring linked to an acylamido piperidine ring by a carbonyl alkylene group between the nitrogen of the piperidine and the 3-position of the indole is reduced with alkali-metal borohydride in special solvents so that the carbonyl group is reduced to a CH.sub.2 group.
    Type: Grant
    Filed: March 8, 1977
    Date of Patent: February 20, 1979
    Assignee: John Wyeth & Brother, Ltd.
    Inventors: George O. Weston, Susan E. Murfitt