Patents by Inventor Graham Ramsbottom

Graham Ramsbottom 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: 6403524
    Abstract: A chromia-based fluorination catalyst in which the chromia is at least partially crystalline and which may contain a zinc or a compound thereof, the production of the catalyst by sintering amorphous chromia and its use in fluorination processes.
    Type: Grant
    Filed: March 8, 1999
    Date of Patent: June 11, 2002
    Assignee: Imperial Chemical Industries PLC
    Inventors: John David Scott, Michael John Watson, Graham Ramsbottom