TREA

Paul Kreienbuhl

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  • Riehen, CH
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method of making carotenoids
    • Patent number 6,150,561
    • Issue date Nov 21, 2000
    • Roche Vitamins Inc.
    • Paul Kreienbuhl
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Process for the synthesis of vitamin E
    • Patent number 6,066,745
    • Issue date May 23, 2000
    • Roche Vitamins Inc
    • Marcel Baak
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Pigmentation with carotenoids
    • Patent number 5,670,548
    • Issue date Sep 23, 1997
    • Roche Vitamins Inc.
    • Kurt Bernhard
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
  • Information Patent Grant

    Pigmentation with carotenoids
    • Patent number 5,605,699
    • Issue date Feb 25, 1997
    • Hoffmann-La Roche Inc.
    • Kurt Bernhard
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
  • Information Patent Grant

    Sulfone polyene intermediates
    • Patent number 4,883,887
    • Issue date Nov 28, 1989
    • Hoffmann-La Roche Inc.
    • Kurt Bernhard
    • C07 - ORGANIC CHEMISTRY