Patents by Inventor Malcolm Leslie Sims

Malcolm Leslie Sims 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: 4099990
    Abstract: Substrate surfaces are rendered resistant to coking by vaporizing an alkoxysilane in contact with the surface to form a protective layer of silica thereon.
    Type: Grant
    Filed: March 23, 1976
    Date of Patent: July 11, 1978
    Assignee: The British Petroleum Company Limited
    Inventors: David Emmerson Brown, John Trevor Kent Clark, John James McCarroll, Malcolm Leslie Sims