Patents by Inventor Christopher Buxton Spencer

Christopher Buxton Spencer 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).

  • 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