Patents Represented by Attorney G. Dziegielewski

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  • Gas filtering method using fabric filter
    Patent number: 4539021
    Abstract: A method for impregnating a bundle of sized glass fibers with a composition comprising a polytetrafluoroethylene resin, a film-forming acrylic resin, a thickening agent and a polyhydrolyzable organosilane having nonhydrolyzable amine functionality is described. The impregnated bundles are especially suited for at least the warp of fabrics for filtering entrained particulates from gases such as flue gases from the combustion of hydrocarbon fuels such as coal.
    Type: Grant
    Filed: February 27, 1984
    Date of Patent: September 3, 1985
    Assignee: Owens-Corning Fiberglas Corporation
    Inventors: Thomas P. Hager, Larry W. Ferguson