Patents by Inventor Steven L. Wallace

Steven L. Wallace 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).

  • Boiler scale prevention employing an organic chelant
    Patent number: 4454046
    Abstract: An improved method of treating boiler water which employs an oxygen scavenging compound and a compound to control pH together with a chelating agent, wherein the chelating agent is hydroxyethylethylenediaminetriacetic acid.
    Type: Grant
    Filed: September 7, 1982
    Date of Patent: June 12, 1984
    Assignee: The Dow Chemical Company
    Inventors: Steven L. Wallace, Freddie Griffin, Jr., Thorwald J. Tvedt, Jr.