Patents by Inventor Gregory D. Wall

Gregory D. Wall 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 fixing chromated copper arsenate treating agents in wood
    Patent number: 4942064
    Abstract: A method for fixing chromated copper arsenate agents in wood by treating the wood with a fixing agent selected from the following: ##STR1## wherein R.sub.1 is the same or different and is hydrogen, phenyl or an alkyl group having 1 to 4 carbon atoms, R.sub.2 is hydrogen or an alkyl group having 1 to 4 carbon atoms and R.sub.3 is (R.sub.4).sub.2 (HO)C-- or R.sub.4 OOC-- and R.sub.4 is hydrogen, an alkyl group having 1 to 4 carbon atoms, phenyl or pyridyl.
    Type: Grant
    Filed: June 21, 1988
    Date of Patent: July 17, 1990
    Assignee: Hickson Corporation
    Inventors: Theron R. Brayman, Eugene A. Pasek, Gregory D. Wall