Patents by Inventor Steven J. Waisala

Steven J. Waisala 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).

  • Molten metal-resistant ceramic fiber-containing composition
    Patent number: 5194407
    Abstract: A method of manufacturing a molten metal-resisting ceramic fiber composition includes mixing ceramic fibers, a frit, ceramic additives, a low temperature binder, and water. The mixture is formed into a desired shape, preferably by being extruded through a die. The shaped mixture is baked at low temperature, and then is fired at high temperature. During firing, the low temperature binder is oxidized and the frit is melted so as to substantially coat the fibers and fuse them into a porous matrix.
    Type: Grant
    Filed: August 28, 1989
    Date of Patent: March 16, 1993
    Assignee: Stemcor Corporation
    Inventors: Steven J. Waisala, Ajit Y. Sane
  • Method of manufacturing a molten metal-resistant ceramic fiber composition
    Patent number: 4868142
    Abstract: A method of manufacturing a molten metal-resisting ceramic fiber composition includes mixing ceramic fibers, a frit, ceramic additives, a low temperature binder, and water. The mixture is formed into a desired shape, preferably by being extruded through a die. The shaped mixture is baked at low temperature, and then is fired at high temperature. During firing, the low temperature binder is oxidized and the frit is melted so as to substantially coat the fibers and fuse them into a porous matrix.
    Type: Grant
    Filed: December 16, 1987
    Date of Patent: September 19, 1989
    Assignee: Stemcor Corporation
    Inventors: Steven J. Waisala, Ajit Y. Sane
  • Mineral sample preservation process
    Patent number: 4505161
    Abstract: Mineral samples are sealed in a nitrile barrier resin which prevents alterations in a sample between the time the sample is taken and the time the sample is analyzed. This resin provides chemical resistance to a core sample and good water vapor barrier properties and excellent oxygen barrier properties. The resin may be laminated with other materials to improve various properties.
    Type: Grant
    Filed: March 24, 1983
    Date of Patent: March 19, 1985
    Assignee: The Standard Oil Company
    Inventors: Patricia K. Hunt, Steven J. Waisala
  • High nitrile copolymer latex coating
    Patent number: 4374948
    Abstract: It has been discovered that nitrile barrier resin latexes containing a polyvinyl pyrrolidone compound are especially effective for coating various substrates.
    Type: Grant
    Filed: May 26, 1981
    Date of Patent: February 22, 1983
    Assignee: The Standard Oil Company
    Inventors: Richard C. Adams, Steven J. Waisala