TREA

John G. Speakman

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  • Sausset les Pins, FR
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Patents Grantslast 30 patents

  • Information Patent Grant

    Polymerization catalysts
    • Patent number 6,677,267
    • Issue date Jan 13, 2004
    • BP Chemicals Limited
    • Alain Berardi
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polymerisation catalyst
    • Patent number 6,492,293
    • Issue date Dec 10, 2002
    • BP Chemicals Limited
    • John Gabriel Speakman
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polymerization process
    • Patent number 6,462,152
    • Issue date Oct 8, 2002
    • BP Chemicals Limited
    • Alain Berardi
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process for the gas phase polymerization of olefins
    • Patent number 6,372,867
    • Issue date Apr 16, 2002
    • BP Chemical Limited
    • John Gabriel Speakman
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Kill-gas introduction to a fluidized bed reactor containing chromiu...
    • Patent number 5,336,738
    • Issue date Aug 9, 1994
    • BP Chemicals Limited
    • Laszlo Havas
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Gas phase olefin polymerization process
    • Patent number 5,283,278
    • Issue date Feb 1, 1994
    • BP Chemicals Limited
    • Erick Daire
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process for the gas phase (co-)polymerization of ethylene
    • Patent number 5,166,279
    • Issue date Nov 24, 1992
    • BP Chemicals Limited
    • John G. Speakman
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process for polymerising ethylene using a chromium oxide catalyst
    • Patent number 4,879,359
    • Issue date Nov 7, 1989
    • BP Chemicals Limited
    • Claude Chamla
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

  • Information Patent Application

    Polymerisation catalysts
    • Publication number 20020035031
    • Publication date Mar 21, 2002
    • Alain Berardi
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...