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Stephen L. Brown

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  • Middlesex, GB
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Patents Grantslast 30 patents

  • Information Patent Grant

    Preparation of sulphonated polyketones
    • Patent number 5,242,998
    • Issue date Sep 7, 1993
    • The British Petroleum Company p.l.c.
    • Stephen L. Brown
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Preparation of sulphonated polyketones
    • Patent number 5,153,280
    • Issue date Oct 6, 1992
    • The British Petroleum Company p.l.c.
    • Stephen L. Brown
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Poly pyrrole from CO/olefin terpolymer
    • Patent number 5,081,207
    • Issue date Jan 14, 1992
    • The British Petroleum Company p.l.c.
    • Stephen L. Brown
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process for preparing polyketones
    • Patent number 5,026,674
    • Issue date Jun 25, 1991
    • The British Petroleum Company p.l.c.
    • Stephen L. Brown
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process for preparing polyketones from carbon monoxide/olefin with...
    • Patent number 5,023,318
    • Issue date Jun 11, 1991
    • The British Petroleum Company, p.l.c.
    • Stephen L. Brown
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process for preparing polyketones with boron anion
    • Patent number 4,925,918
    • Issue date May 15, 1990
    • The British Petroleum Company p.l.c.
    • Stephen L. Brown
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...