Leif Hjørnevik

Person

  • Skien, NO

Patents Grantslast 30 patents

  • Information Patent Grant

    Aqueous preservative

    • Patent number 6,753,031
    • Issue date Jun 22, 2004
    • Norsk Hydro ASA
    • Ingvar Selmer-Olsen
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES