Patents by Inventor Walter G. Staley, Jr.

Walter G. Staley, Jr. 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).

  • High density chronic oxide refractory block
    Patent number: 4724224
    Abstract: Large, dense chromic oxide refractory blocks containing from about 80% to about 98% chromic oxide are made by firing a green block comprising, in addition to the chromic oxide, titania and a colloidal silica having a surface area of at least about 90 m.sup.2 /g. Blocks having porosities as low as 0% are made in either an oxidizing or a reducing atmosphere. The blocks are crack-free and have a good resistance to corrosion by molten glass.
    Type: Grant
    Filed: August 1, 1986
    Date of Patent: February 9, 1988
    Assignee: A.P. Green Refractories Co.
    Inventors: Walter G. Staley, Jr., Roy R. Ramey