Patents by Inventor Anthony Miles Robert Difford

Anthony Miles Robert Difford 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).

  • Fluids purification
    Patent number: 3943226
    Abstract: A process fluid is purified of strongly acidic impurities, preparatory to treatment over a catalyst or over a hydrogen sulphide absorbing material, by contact with one or more alkali metal aluminates, preferably a beta alumi aluminate. Such aluminates have a high capacity for absorbing hydrogen halides. The process fluid is especially a naphtha hydrocarbon to be reacted with steam to give a gas of high methane content.
    Type: Grant
    Filed: February 12, 1974
    Date of Patent: March 9, 1976
    Assignee: Imperial Chemical Industries Limited
    Inventor: Anthony Miles Robert Difford