Patents by Inventor Thelma J. Brackbill

Thelma J. Brackbill 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).

  • Acid cured inorganic binder compositions which are compatible with mineral wool
    Patent number: 4444594
    Abstract: Acid cured inorganic compositions which are suitable for use as binder material and which are compatible, in their curing state, with mineral wool are disclosed. The compositions are produced by reacting M.sub.g O and an acid phosphate, chloride or sulfate salt, an amino-alcohol acid-attach control agent and water to form a curable slurry.
    Type: Grant
    Filed: December 9, 1982
    Date of Patent: April 24, 1984
    Assignee: Armstrong World Industries, Inc.
    Inventors: Gary W. Paddison, Thelma J. Brackbill, Larry L. Line