Patents by Inventor John Melvin Swan

John Melvin Swan 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).

  • Phosphinolines and phosphindolines
    Patent number: 3931196
    Abstract: This invention is for phosphinoline and phosphindoline compounds having the formula,Wherein n is 0 or 1; X is 0 or S; R.sup.3 is hydrogen or methyl; R.sup.5 is hydrogen or methyl, or may be bound to R.sup.13 to form a morpholino, piperidino or pyrrolidino ring; R.sup.7 is hydrogen or hydroxy; R.sup.11 and R.sup.12 are hydrogen; R.sup.13 is methyl, or R.sup.13 and R.sup.5 may be joined together as above stated to form a morpholino, piperidino, or pyrrolidino ring. The compounds are analgesics.
    Type: Grant
    Filed: February 26, 1973
    Date of Patent: January 6, 1976
    Assignee: Monash University
    Inventor: John Melvin Swan