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Howard E. Bellis

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  • Wilmington, DE, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Fluidized bed ring-opening polymerization process
    • Patent number 5,288,841
    • Issue date Feb 22, 1994
    • E. I. Du Pont de Nemours and Company
    • Howard E. Bellis
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...