TREA

William J. Leonard

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  • San Francisco, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Acetamidoethylene copolymers
    • Patent number 4,260,714
    • Issue date Apr 7, 1981
    • Dynapol
    • Robert E. Wingard
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Vinylamine aromatic copolymers and salts thereof
    • Patent number 4,238,579
    • Issue date Dec 9, 1980
    • Dynapol
    • William J. Leonard
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polymeric phenolic antioxidants
    • Patent number 4,028,342
    • Issue date Jun 7, 1977
    • Dynapol Corporation
    • James A. Dale
    • C07 - ORGANIC CHEMISTRY