TREA

Luann R. Marshall

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  • Wilmington, DE, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Purification of condensation products
    • Patent number 4,833,009
    • Issue date May 23, 1989
    • E. I. Du Pont de Nemours and Company
    • Luann R. Marshall
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...