TREA

Andrew D. Surnamer

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  • Allentown, PA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Membranes formed from rigid aromatic polyamides
    • Patent number 5,034,027
    • Issue date Jul 23, 1991
    • Air Products and Chemicals, Inc.
    • Chao-Fong Tien
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Membranes formed from rigid polyarylates
    • Patent number 5,013,332
    • Issue date May 7, 1991
    • Air Products and Chemicals, Inc.
    • Andrew D. Surnamer
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Membranes formed from aromatic polyarylates
    • Patent number 5,007,945
    • Issue date Apr 16, 1991
    • Air Products and Chemicals, Inc.
    • Chao-Fong Tien
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...