Patents by Inventor Harry Pinnegar

Harry Pinnegar 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).

  • Production of ethylene oxide and catalysts therefor
    Patent number: 5099041
    Abstract: Catalysts of attractive activities for use in the oxidation of ethylene to ethylene oxide comprise silver supported on a porous heat resisting support, a group VI A transition metal, potassium, rubidium and/or cesium and sulphur.
    Type: Grant
    Filed: February 12, 1991
    Date of Patent: March 24, 1992
    Assignee: Imperial Chemical Industries PLC
    Inventors: Percy Hayden, Harry Pinnegar
  • Catalysts for the production of ethylene oxide
    Patent number: 5011807
    Abstract: Catalysts of attractive activities for use in the oxidation of ethylene to ethylene oxide comprise silver supported on a porous heat resisting support, a group VI A transition metal, potassium, rubidium and/or cesium and sulphur.
    Type: Grant
    Filed: August 29, 1989
    Date of Patent: April 30, 1991
    Assignee: Imperial Chemical Industries plc
    Inventors: Percy Hayden, Harry Pinnegar
  • Promoted silver catalyst for producing alkylene oxides
    Patent number: 4007135
    Abstract: Alkylene oxides are produced by oxidizing olefines with oxygen in the presence of promoted silver containing catalysts.
    Type: Grant
    Filed: November 22, 1974
    Date of Patent: February 8, 1977
    Assignee: Imperial Chemical Industries Limited
    Inventors: Percy Hayden, Roy John Sampson, Christopher Buxton Spencer, Harry Pinnegar