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J. Richard Pratt

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  • Fayetteville, NC, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Polyimides containing meta-biphenylenedioxy moieties and articles p...
    • Patent number 5,455,327
    • Issue date Oct 3, 1995
    • The United States of America as represented by the administrator of the Natio...
    • Terry L. St. Clair
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polyimide processing additives
    • Patent number 5,272,248
    • Issue date Dec 21, 1993
    • The United States of America as represented by the United States National Aer...
    • J. Richard Pratt
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polyimides prepared from 3,5-diaminobenzotrifluoride
    • Patent number 5,218,083
    • Issue date Jun 8, 1993
    • The United States of America as represented by the United States National Aer...
    • Margaret K. Gerber
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Diphenylmethane-containing dianhydride and polyimides prepared ther...
    • Patent number 5,218,077
    • Issue date Jun 8, 1993
    • The United States of America as represented by the administrator of the Natio...
    • Anne K. St. Clair
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polyimide processing additives
    • Patent number 5,116,939
    • Issue date May 26, 1992
    • The United States of America as represented by the administrator of the Natio...
    • James C. Fletcher
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Aromatic polyimides containing a dimethylsilane-linked dianhydride
    • Patent number 5,093,453
    • Issue date Mar 3, 1992
    • Administrator of the National Aeronautics and Space Administration
    • Anne K. St. Clair
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Processable polyimide adhesive and matrix composite resin
    • Patent number 4,937,317
    • Issue date Jun 26, 1990
    • The United States of America as represented by the administrator of the Natio...
    • J. Richard Pratt
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Poly(carbonate-imide) polymer
    • Patent number 4,713,439
    • Issue date Dec 15, 1987
    • The United States of America as represented by the administrator of the Natio...
    • Terry L. St. Clair
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...