Research Catalog

  • Imide/arylene ether copolymers with pendent trifluoromethyl groups [microform] / Brian J. Jensen, Stephen J. Havens.

    • Text
    • Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center ; [Springfield, Va. : For sale by the National Technical Information Service, 1992]
    • 1992
  • Polyimides with improved compression moldability [microform] / inventors, Paul M. Hergenrother, Stephen J. Havens, [Mark W. Beltz].

    • Text
    • [Washington, DC : National Aeronautics and Space Administration ; Springfield, Va. : National Technical Information Service, distributor, 1990]
    • 1990
  • Phenoxy resins containing pendent ethynyl groups [microform] / Paul M. Hergenrother, Brian J. Jensen, and Stephen J. Havens.

    • Text
    • Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center, [1984]
    • 1984

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