Patents by Inventor George B. Waltman

George B. Waltman 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).

  • Magnesium hydroxide to prevent corrosion caused by water spray in continuous casting
    Patent number: 5311925
    Abstract: Magnesium hydroxide is added to aqueous sprays used in the cooling of steel produced by continuous casting to reduce the corrosion of ferrous metals in contact with these sprays. The magnesium hydroxide when added to aqueous sprays used in the cooling of steel produced by continuous casting further reduces the potential for calcium fluoride scale formation by reducing the fluoride content of the system water.
    Type: Grant
    Filed: November 12, 1993
    Date of Patent: May 17, 1994
    Assignee: Nalco Chemical Company
    Inventor: George B. Waltman