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Robert James Kassal

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  • Wilmington, DE, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Molded parts used for photographic sensitive materials and resin co...
    • Patent number 5,866,671
    • Issue date Feb 2, 1999
    • E. I. Du Pont de Nemours and Company
    • Kenichi Shinohara
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polyacetal compositions for use in wear applications
    • Patent number 5,559,180
    • Issue date Sep 24, 1996
    • E. I. Du Pont de Nemours and Company
    • Tatsuhiro Takahashi
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polyarylate molding compositions
    • Patent number 4,902,747
    • Issue date Feb 20, 1990
    • E. I. Du Pont de Nemours and Company
    • Robert J. Kassal
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Melt-fusible co-polyimide from diamine mixture
    • Patent number 4,725,642
    • Issue date Feb 16, 1988
    • E. I. Du Pont de Nemours and Company
    • Thomas P. Gannett
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Melt-fusible polyimides
    • Patent number 4,485,140
    • Issue date Nov 27, 1984
    • E. I. Du Pont de Nemours and Company
    • Thomas P. Gannett
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Elastomer modified unsaturated molding compositions
    • Patent number 4,161,471
    • Issue date Jul 17, 1979
    • E. I. Du Pont de Nemours and Company
    • Robert J. Kassal
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Reactive compositions and polymers made therefrom
    • Patent number 4,107,109
    • Issue date Aug 15, 1978
    • E. I. Du Pont de Nemours and Company
    • Robert James Kassal
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents