TREA

Nevin John Stewart

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  • Guildford, GB
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Patents Grantslast 30 patents

  • Information Patent Grant

    Use of oil and gas field chemicals
    • Patent number 6,225,263
    • Issue date May 1, 2001
    • BP Chemicals Limited
    • Ian Ralph Collins
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Process for increasing effectiveness of production chemicals by red...
    • Patent number 6,173,780
    • Issue date Jan 16, 2001
    • BP Chemicals Limited
    • Ian Ralph Collins
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Catalyst compositions
    • Patent number 5,770,684
    • Issue date Jun 23, 1998
    • BP Chemicals Limited
    • Nevin John Stewart
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    2-methylbutoxy ethoxyethanol
    • Patent number 5,763,683
    • Issue date Jun 9, 1998
    • BP Chemicals Limited
    • Richard George Chapman
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Ether cosolvents for resin formulations
    • Patent number 5,753,738
    • Issue date May 19, 1998
    • BP Chemicals Limited
    • Richard George Chapman
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Oil and gas field chemicals
    • Patent number 5,690,174
    • Issue date Nov 25, 1997
    • BP Chemicals Limited
    • Richard George Chapman
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Preparation of butene polymers using an ionic liquid
    • Patent number 5,304,615
    • Issue date Apr 19, 1994
    • BP Chemicals Limited
    • Philip W. Ambler
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Preparation of alkoxy halides
    • Patent number 4,798,906
    • Issue date Jan 17, 1989
    • The British Petroleum Company p.l.c.
    • Philip K. G. Hodgson
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Preparation of surfactants
    • Patent number 4,764,307
    • Issue date Aug 16, 1988
    • The British Petroleum Company p.l.c.
    • Nevin J. Stewart
    • C07 - ORGANIC CHEMISTRY