Patents by Inventor Michael James Howdeshell

Michael James Howdeshell 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).

  • Method of dispersing hydrocarbon foulants in hydrocarbon processing fluids
    Patent number: 7282136
    Abstract: A method of dispersing, dissolving, or reducing the viscosity of hydrocarbon foulants including heavy oil, tars, asphaltenes, polynuclear aromatic hydrocarbons, coke, polymers, light oil, oxidized hydrocarbon and thermal decomposition products, and the like in fluids in contact with hydrocarbon processing equipment comprising contacting the foulant with an effective amount of a halogen-free organic solvent having a density greater than water at the processing temperature.
    Type: Grant
    Filed: May 26, 2004
    Date of Patent: October 16, 2007
    Assignee: Nalco Company
    Inventor: Michael James Howdeshell