Hendrik J. Brouwer

Person

  • Amsterdam, NL

Patents Grantslast 30 patents

  • Information Patent Grant

    Bituminous composition

    • Patent number 4,904,713
    • Issue date Feb 27, 1990
    • Shell Oil Company
    • Willem C. Vonk
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...