Patents by Inventor Kevin D. Schaal

Kevin D. Schaal 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).

  • Glass fiber composition with improved biosolubility
    Patent number: 5401693
    Abstract: Described is an inorganic fiber comprising silica dioxide, calcium oxide, and alkali oxide having a free energy of hydration greater than (more positive than) -5.00 kcal/mol, an enthalpy of formation less than (more than negative than) -210.0 kcal/mol, a dissolution rate in simulated extra cellular fluid greater than 750 (calculated as nanograms of fiber/per square centimeter of fiber surface area/per hour) having an average fiber diameter not greater than 4.5 micrometers. Also described is a method of manufacturing the fibers.
    Type: Grant
    Filed: September 18, 1992
    Date of Patent: March 28, 1995
    Assignee: Schuller International, Inc.
    Inventors: Jon F. Bauer, Kevin D. Schaal