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Marcel van der Helm

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  • Vlaardingen, NL
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Patents Grantslast 30 patents

  • Information Patent Grant

    Enzymatic bleach composition
    • Patent number 6,107,264
    • Issue date Aug 22, 2000
    • Lever Brothers Company, division of Conopco, Inc.
    • Marcel van der Helm
    • C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...