Patents by Inventor Johnney T. Pollan

Johnney T. Pollan 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).

  • Wood treating process
    Patent number: 3959529
    Abstract: A method for producing clean surface treated wood by subjecting the wood, containing the treating agent and its carrier, to steaming under pressure thereby to cause the solvent in the atmosphere about the wood to condense on the wood surface during the steaming, thereafter reducing the pressure to about atmospheric pressure, removing the carrier vapors from association with the wood as they form, and continuing the steaming until the carrier is substantially removed from the wood.
    Type: Grant
    Filed: June 14, 1974
    Date of Patent: May 25, 1976
    Assignee: The Dow Chemical Company
    Inventors: William D. Winn, Johnney T. Pollan