Patents by Inventor Roy John Sampson

Roy John Sampson 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: 4094919
    Abstract: Isomerization of alkylbenzene hydrocarbons, for example xylenes, using a silica/alumina catalyst whose alumina content has been reduced by at least 1% of the original alumina content, from an original alumina content in the range 2 to 40% by weight to a content of at least 1% by weight.
    Type: Grant
    Filed: March 29, 1976
    Date of Patent: June 13, 1978
    Assignee: Imperial Chemical Industries Limited
    Inventors: Ivan James Samuel Lake, Roy John Sampson
  • 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