Patents Represented by Attorney Brian L. Mutschler
  • Patent number: 8211497
    Abstract: The present invention relates to a vessel, in particular a pipe, especially an oil pipe, having a preformed film adhered onto the interior surface of the pipe, the interior surface of the preformed film reducing the deposition of at least one of asphaltenes, paraffin wax, and inorganic scale by at least 40% as compared to the interior surface of said oil pipe without said preformed film being present. In a preferred embodiment, the preformed film is adhered to the interior surface of the pipe with a primer layer with an optional barrier layer between the primer layer and the preformed film.
    Type: Grant
    Filed: October 27, 2009
    Date of Patent: July 3, 2012
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Laurence Waino McKeen, Kimberly Dawn Farnsworth, W. Douglas Obal, Pidatala K. Mohan