Patents by Inventor H. Wayne Richardson

H. Wayne Richardson 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 for preserving wood materials using precipitated copper compounds
    Publication number: 20040258838
    Abstract: The invention provides a method of preserving wood. The method involves applying to a wood substrate a precipitated copper salt. The precipitated copper salt is formed from a solution containing a copper-alkanolamine complex. The precipitated copper salt can be formed in situ, i.e., after the solution containing a copper-alkanolamine complex is applied to the wood, or prior to being applied to the wood.
    Type: Application
    Filed: June 17, 2004
    Publication date: December 23, 2004
    Inventors: H. Wayne Richardson, Robert L. Hodge