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Don P. Duncan

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  • Mt. Pleasant, SC, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Modified rosin ester preparation
    • Patent number 4,643,848
    • Issue date Feb 17, 1987
    • Westvaco Corporation
    • John H. Thomas
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Rosin pentaerythritol ester preparation improvement
    • Patent number 4,548,746
    • Issue date Oct 22, 1985
    • Westvaco Corporation
    • Don P. Duncan
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Partial hydrogenation of tall oil rosin
    • Patent number 4,507,228
    • Issue date Mar 26, 1985
    • Westvaco Corporation
    • Don P. Duncan
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...