Patents by Inventor John C. Emmett

John C. Emmett 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: 4137234
    Abstract: The compounds are substituted thioalkyl-, aminoalkyl- and oxyalkyl-thioureas and ureas which are inhibitors of histamine activity.
    Type: Grant
    Filed: June 10, 1977
    Date of Patent: January 30, 1979
    Assignee: Smith Kline & French Laboratories Limited
    Inventors: Graham J. Durant, John C. Emmett, Charon R. Ganellin
  • Patent number: 4129657
    Abstract: The compounds are guanidines, for example N-benzenesulphonyl-N'-[2-((4-methyl-5-imidazolyl)-methylthio)ethyl]guanidi ne, which are inhibitors of histamine activity.
    Type: Grant
    Filed: January 16, 1978
    Date of Patent: December 12, 1978
    Assignee: Smith, Kline & French Laboratories Limited
    Inventors: Graham J. Durant, John C. Emmett, Charon R. Ganellin
  • Patent number: 4124717
    Abstract: The compounds are ethylene derivatives which are inhibitors of histamine activity, in particular, inhibitors of H-2 histamine receptors. A compound of this invention is 1-nitro-2-methylamino-2-[2-((4-methyl-5-imidazolyl)methylthio)-ethylamino] ethylene.
    Type: Grant
    Filed: May 16, 1977
    Date of Patent: November 7, 1978
    Assignee: Smith Kline & French Laboratories Limited
    Inventors: Graham J. Durant, John C. Emmett, Charon R. Ganellin, Hunter D. Prain
  • Patent number: 4088769
    Abstract: A method of inhibiting histamine activity, in particular inhibiting H-2 histamine receptors, by administering heterocyclicalkylguanidines.
    Type: Grant
    Filed: May 9, 1977
    Date of Patent: May 9, 1978
    Assignee: Smith Kline & French Laboratories Limited
    Inventors: James W. Black, Graham J. Durant, John C. Emmett, Charon R. Ganellin
  • Patent number: 4072748
    Abstract: The compounds are guanidines, for example N-benzenesulphonyl-N'-[2-((4-methyl-5-imidazolyl)-methylthio)ethyl]guanidi ne, which are inhibitors of histamine activity.
    Type: Grant
    Filed: September 24, 1976
    Date of Patent: February 7, 1978
    Assignee: Smith Kline & French Laboratories Limited
    Inventors: Graham J. Durant, John C. Emmett, Charon R. Ganellin