TREA

Donald A. Vassallo

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  • Wilmington, DE, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Heat seal composition
    • Patent number 4,469,754
    • Issue date Sep 4, 1984
    • E. I. Du Pont de Nemours and Company
    • George L. Hoh
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Heat seal composition comprising a blend of metal neutralized polymers
    • Patent number 4,346,196
    • Issue date Aug 24, 1982
    • E. I. Du Pont de Nemours and Company
    • George L. Hoh
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL