TREA

Robert M. Arrell

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  • Quarryville, PA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Gypsum composition
    • Patent number 7,393,424
    • Issue date Jul 1, 2008
    • Lyondell Chemical Technology, L.P.
    • Steven A. Schwartz
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Gypsum composition
    • Patent number 7,261,772
    • Issue date Aug 28, 2007
    • Lyondell Chemical Technology, L.P.
    • Steven A. Schwartz
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Process for making crosslinked polyvinylpyrrolidone with low swell...
    • Patent number 6,512,066
    • Issue date Jan 28, 2003
    • ARCO Chemical Technology, L.P.
    • Beth M. Steinmetz
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

  • Information Patent Application

    Gypsum composition
    • Publication number 20080087198
    • Publication date Apr 17, 2008
    • Steven A. Schwartz
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES