David A. Harbourne

Person

  • Kingston, CA

Patents Grantslast 30 patents

  • Information Patent Grant

    Concentrates of modifying agents in polymers

    • Patent number 5,173,539
    • Issue date Dec 22, 1992
    • Du Pont Canada Inc.
    • John R. B. Boocock
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Moisture cross-linking of polymers

    • Patent number 5,112,918
    • Issue date May 12, 1992
    • Du Pont Canada Inc.
    • John R. B. Boocock
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Filled thermoplastic polymer compositions

    • Patent number 4,847,317
    • Issue date Jul 11, 1989
    • Du Pont Canada, Inc.
    • Mark G. Dokurno
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Fire-retardant sheet material

    • Patent number 4,722,858
    • Issue date Feb 2, 1988
    • Du Pont Canada Inc.
    • David A. Harbourne
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Extraction of nickel from nickel-bearing ores

    • Patent number 4,010,237
    • Issue date Mar 1, 1977
    • Du Pont of Canada Limited
    • David Alan Harbourne
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Treatment of lead sulphide

    • Patent number 4,004,921
    • Issue date Jan 25, 1977
    • Du Pont of Canada Limited
    • Stephen Peter Beaton
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...