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Sandra L. Bull

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  • Eagan, MN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Proteolytic enzyme cleaner
    • Patent number 6,197,739
    • Issue date Mar 6, 2001
    • Ecolab Inc.
    • Thomas R. Oakes
    • C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
  • Information Patent Grant

    Proteolytic enzyme cleaner
    • Patent number 5,858,117
    • Issue date Jan 12, 1999
    • Ecolab Inc.
    • Thomas R. Oakes
    • C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
  • Information Patent Grant

    Phosphate-free alkaline detergent for cleaning-in-place of food pro...
    • Patent number 4,935,065
    • Issue date Jun 19, 1990
    • Ecolab Inc.
    • Sandra L. Bull
    • C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
  • Information Patent Grant

    Low-phosphate liquid cleaning composition
    • Patent number 4,579,676
    • Issue date Apr 1, 1986
    • Economics Laboratory, Inc.
    • Sandra L. Bull
    • C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...