Patents by Inventor Stephen R Coulson

Stephen R Coulson 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).

  • Surface coatings
    Patent number: 6551950
    Abstract: A method of coating a surface with a polymer layer, which method comprises exposing said surface to a plasma comprising a monomeric unsaturated organic compound which comprises a chain of carbon atoms, which are optionally substituted by halogen; provided that where the compound is a perhalogenated alkene, it has a chain of at least 5 carbon atoms; so as to form an oil or water repellent coating on said substrate.
    Type: Grant
    Filed: February 11, 2000
    Date of Patent: April 22, 2003
    Assignee: The Secretary of State for Defence in Her Britannic Majesty's Government of the United Kingdom of Great Britain and Northern Ireland
    Inventors: Jas P S Badyal, Stephen R Coulson, Colin R Willis, Stuart A Brewer