TREA

Yihong Guo

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  • Columbia, MD, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Battery separator
    • Patent number 5,281,491
    • Issue date Jan 25, 1994
    • W. R. Grace & Co.
    • Burton M. Rein
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process of making a battery separator
    • Patent number 5,240,655
    • Issue date Aug 31, 1993
    • W. R. Grace & Co.-Conn.
    • Howard J. Troffkin
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...