Patents by Inventor Hunter Douglas Prain

Hunter Douglas Prain 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).

  • Pyridyl-alkylaminoethylene compounds
    Patent number: 4080459
    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-[2-((4-methyl-5-imidazolyl)methylthio)ethylamino]2-[2-((3-chloro -2-pyridyl)methylthio)ethylamino]ethylene.
    Type: Grant
    Filed: November 19, 1976
    Date of Patent: March 21, 1978
    Assignee: Smith Kline & French Laboratories Limited
    Inventors: Graham John Durant, John Colin Emmett, Charon Robin Ganellin, Hunter Douglas Prain
  • Pyridylbutylamino ethylene compounds
    Patent number: 4067984
    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-[4-(3-chloro-2-pyridyl)butylamino]ethylene.
    Type: Grant
    Filed: October 4, 1976
    Date of Patent: January 10, 1978
    Assignee: Smith Kline & French Laboratories Limited
    Inventors: Graham John Durant, John Colin Emmett, Charon Robin Ganellin, Hunter Douglas Prain
  • Imidazole alkylaminoethylene compounds
    Patent number: 4046907
    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: November 5, 1975
    Date of Patent: September 6, 1977
    Assignee: Smith Kline & French Laboratories Limited
    Inventors: Graham John Durant, John Colin Emmett, Charon Robin Ganellin, Hunter Douglas Prain
  • Ethylene derivatives
    Patent number: 4024260
    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: November 11, 1975
    Date of Patent: May 17, 1977
    Assignee: Smith Kline & French Laboratories Limited
    Inventors: Graham John Durant, John Colin Emmett, Charon Robin Ganellin, Hunter Douglas Prain
  • Pyridyl-alkylaminoethylene compounds
    Patent number: 4013769
    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-[2-((4-methyl-5-imidazolyl)methylthio)ethylamino]-2-[2-((3-chlor o-2-pyridyl)methylthio)ethylamino]ethylene.
    Type: Grant
    Filed: November 5, 1975
    Date of Patent: March 22, 1977
    Assignee: Smith Kline & French Laboratories Limited
    Inventors: Graham John Durant, John Colin Emmett, Charon Robin Ganellin, Hunter Douglas Prain
  • Pyridylbutylamino ethylene compounds
    Patent number: 4002759
    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-[4-(3-chloro-pyridyl)butylamino]ethylene.
    Type: Grant
    Filed: November 5, 1975
    Date of Patent: January 11, 1977
    Assignee: Smith Kline & French Laboratories Limited
    Inventors: Graham John Durant, John Colin Emmett, Charon Robin Ganellin, Hunter Douglas Prain
  • Ethylene derivatives
    Patent number: 3953460
    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 9, 1974
    Date of Patent: April 27, 1976
    Assignee: Smith Kline & French Laboratories Limited
    Inventors: Graham John Durant, John Colin Emmett, Charon Robin Ganellin, Hunter Douglas Prain