Patents by Inventor Larry R. Eisenstatt

Larry R. Eisenstatt 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).

  • Treatment of radioactive wastes
    Patent number: 5288435
    Abstract: Method and apparatus for the incineration and vitrification of radioactive waste materials. Waste materials are fed into a melter containing molten glass wherein the waste is incinerated and vitrified into the glass matrix. Gases produced are combusted in an extended plenum area preferably designed to provide a residence time of at least 3 seconds. A portion of the sulfur compounds in the combustion gases are incorporated into a solid matrix of gypsum by contacting the sulfur compounds with an aqueous solution and calcium hydroxide.
    Type: Grant
    Filed: May 1, 1992
    Date of Patent: February 22, 1994
    Assignee: Westinghouse Electric Corp.
    Inventors: John D. Sachse, Larry R. Eisenstatt, Walter P. Drosjack, David H. Weigle, C. Patrick Keegan
  • Method for coating a nuclear fuel with boron nitride
    Patent number: 4560575
    Abstract: A method of applying a burnable absorber coating on a nuclear fuel pellet comprising the step of exposing the nuclear fuel pellet to a gas stream of boron trichloride and anhydrous ammonia at a temperature of from about 600.degree.-800.degree. C. A coating of boron nitride is formed as a reaction product of boron trichloride with anhydrous ammonia on the fuel pellet.
    Type: Grant
    Filed: December 21, 1983
    Date of Patent: December 24, 1985
    Assignee: Westinghouse Electric Corp.
    Inventors: Larry R. Eisenstatt, Kenneth C. Radford