TREA

Sari Karjalainen

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  • Porvoo, FI
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Patents Grantslast 30 patents

  • Information Patent Grant

    Conductive plastic composites
    • Patent number 5,219,492
    • Issue date Jun 15, 1993
    • Neste Oy
    • Jan-Erik Osterholm
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Conductive plastic composites
    • Patent number 5,151,221
    • Issue date Sep 29, 1992
    • Berggren Oy Ab
    • Jan-Erik Osterholm
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...