Patents by Inventor Dominique, Thomas, Francois, Leon Streel

Dominique, Thomas, Francois, Leon Streel 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).

  • Process for the surface oxidisation of aluminum
    Patent number: 3957608
    Abstract: In the surface oxidisation of an aluminium coating deposited on a steel st there is provided a process in which the aluminium coated sheet is passed through an enclosure in which there is a vacuum of from 10.sup.-.sup.1 to 10.sup.-.sup.3 Torr and in which remains residual gas which is acted upon by an electrical field so as to form positive ions aimed at an aluminium target from which are removed aluminium atoms which combine with oxygen present in the enclosure so as to form alumina which is deposited in a layer on the surface of the aluminium coating.
    Type: Grant
    Filed: November 18, 1974
    Date of Patent: May 18, 1976
    Assignee: Cockerill-Ougree-Providence et Esperance-Longdoz, en Abrege "Cockerill"
    Inventor: Dominique, Thomas, Francois, Leon Streel