Patents by Inventor John Payzant

John Payzant 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).

  • Liquid wood preservative solution
    Patent number: 5846305
    Abstract: A liquid wood preservative solution includes sufficient quantities of a copper compound known as having beneficial effects as a wood preservative to provide a copper metal content of between 1% and 6% by weight. At least 6% by weight of a liquid amine solvent is provided for every 1% of the copper metal. The liquid wood preservative solution includes between 10% and 30% by weight of a boron compound known as having beneficial effects as a wood preservative. At least 1% by weight of glycol is provided for every 1% of the boron compound.
    Type: Grant
    Filed: October 23, 1996
    Date of Patent: December 8, 1998
    Assignee: Michael Wall & Sons Enterprises Ltd.
    Inventor: John Payzant