TREA

Antero Ahvenainen

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  • Porvoo, FI
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Patents Grantslast 30 patents

  • Information Patent Grant

    Process for preparing polyethylene
    • Patent number 5,684,097
    • Issue date Nov 4, 1997
    • Borealis Polymers Oy
    • Ari Palmroos
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Method for homo- or copolymerizing ethene
    • Patent number 5,391,654
    • Issue date Feb 21, 1995
    • Neste Oy
    • Antero Ahvenainen
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Multi-stage process for producing polyethylene
    • Patent number 5,326,835
    • Issue date Jul 5, 1994
    • Neste Oy
    • Antero Ahvenainen
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...