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Richard H. Symm

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  • Lake Jackson, TX, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Amine-modified polyethers
    • Patent number 4,056,510
    • Issue date Nov 1, 1977
    • The Dow Chemical Company
    • Richard H. Symm
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...