Patents by Inventor Peter B. Russell

Peter B. Russell 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).

  • Benzylamine analgesics
    Patent number: 4155935
    Abstract: Reaction of benzalcyclanones with secondary amines affords aminobenzylcyclohexanones, which, upon reduction, yield aminobenzylcyclohexanols having potent analgesic activity. Epimeric aminobenzylcycloalkanols having analgesic activity are prepared by the reaction of C-phenyl nitrones with cycloalkenes to form benzisoxazoles, treatment with alkyl halide to form the corresponding benzisoxazolium halides, followed by hydrogenolysis.
    Type: Grant
    Filed: June 29, 1977
    Date of Patent: May 22, 1979
    Assignee: American Home Products Corporation
    Inventors: John P. Yardley, Peter B. Russell
  • Benzylamine analgesics
    Patent number: 4017637
    Abstract: Reaction of benzalcyclanones with secondary amines affords aminobenzylcyclohexanones, which, upon reduction, yield aminobenzylcyclohexanols having potent analgesic activity. Epimeric aminobenzylcycloalkanols having analgesic activity are prepared by the reaction of C-phenyl nitrones with cycloalkenes to form benzisoxazoles, treatment with alkyl halide to form the corresponding benzisoxazolium halides, followed by hydrogenolysis.
    Type: Grant
    Filed: August 25, 1975
    Date of Patent: April 12, 1977
    Assignee: American Home Products Corporation
    Inventors: John P. Yardley, Peter B. Russell
  • Synthesis of 2,6-diaminopyrimidines
    Patent number: 3940393
    Abstract: New, substituted, 2,6-diaminopyrimidines are disclosed. These compounds are useful as anti-malarial agents. The oxygenation of pyrimethamine by fungi is also disclosed.
    Type: Grant
    Filed: June 21, 1974
    Date of Patent: February 24, 1976
    Assignee: American Home Products Corporation
    Inventors: George Greenspan, Richard W. Rees, Peter B. Russell