Patents by Inventor Anne S. Boussert

Anne S. Boussert 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).

  • Removal of unsaturated hydrocarbons in anhydrous hydrogen halide by infrared laser radiation
    Patent number: 4695357
    Abstract: Ethylene and like organic impurities are removed from anhydrous hydrogen halide by subjecting a gaseous stream of the hydrogen halide to laser radiation having a wavelength corresponding to a wavelength at which the ethylene absorbs radiation, in an amount effective to achieve dielectric breakdown.
    Type: Grant
    Filed: November 25, 1985
    Date of Patent: September 22, 1987
    Assignee: The Dow Chemical Company
    Inventor: Anne S. Boussert
  • Method of making catalysts for the production of ethylene oxide
    Patent number: 4350616
    Abstract: An improved process for obtaining a silver catalyst promoted with cesium wherein said silver crystals average about 0.4.mu. in diameter and wherein 75-86% of the crystals are within the range of 0.2 to 0.6 .mu. in diameter. This catalyst is prepared without any special heat treatment after the initial reduction of the silver salt and prior to incorporating the cesium promoter.
    Type: Grant
    Filed: July 3, 1980
    Date of Patent: September 21, 1982
    Assignee: The Dow Chemical Company
    Inventor: Anne S. Boussert