Patents by Inventor Duane L. Dotson

Duane L. Dotson 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).

  • Porous glass monoliths
    Patent number: 4810674
    Abstract: In one embodiment this invention provides novel microporous inorganic oxide glass monolith structures, which have improved mechanical strength and optical transparency. An invention glass monolith is produced by a novel sol-gel process, which utilizes trioxane as an essential additive during the gellation phase, to provide a glass monolith with micropores having uniformity of size and shape.
    Type: Grant
    Filed: January 28, 1988
    Date of Patent: March 7, 1989
    Assignee: Hoechst Celanese Corp.
    Inventors: Tessie M. Che, Raymond V. Carney, Duane L. Dotson
  • Porous glass monoliths
    Patent number: 4765818
    Abstract: In one embodiment this invention provides a novel sol-gel process for the production of microporous inorganic oxide glass monolith structures which have improved mechanical strength and optical transparency. An essential feature of the process is the use of trioxane during the gellation phase, to provide a glass monolith with micropores which have uniformity of size and shape.
    Type: Grant
    Filed: February 24, 1987
    Date of Patent: August 23, 1988
    Assignee: Hoechst Celanese Corporation
    Inventors: Tessie M. Che, Raymond V. Carney, Duane L. Dotson
  • Flammable barrier wrap for solid fuel/firestarter composition
    Patent number: 4692168
    Abstract: A novel package for a solid or gelled heating fuel comprises a flammable plastic film wrapped around the shaped fuel. Preferably, the plastic film is nonporous to prevent sublimation of the fuel.
    Type: Grant
    Filed: June 10, 1986
    Date of Patent: September 8, 1987
    Assignee: Celanese Corporation
    Inventors: Duane L. Dotson, Alex Forschirm