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Richard T. Liu

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  • Worthington, OH, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Soluble instant coffee prepared from extract obtained from green co...
    • Patent number 5,972,409
    • Issue date Oct 26, 1999
    • Nestec S.A.
    • Richard Tien-Szu Liu
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
  • Information Patent Grant

    Process for producing cold water soluble tea extract
    • Patent number 5,827,560
    • Issue date Oct 27, 1998
    • Nestec S.A.
    • Xiaoping Fu
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
  • Information Patent Grant

    Aroma concentration process
    • Patent number 5,736,182
    • Issue date Apr 7, 1998
    • Nestec S.A.
    • Joseph Victor Jimenez
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
  • Information Patent Grant

    Process for making encapsulated sensory agents
    • Patent number 5,580,593
    • Issue date Dec 3, 1996
    • Nestec S.A.
    • Richard T. Liu
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
  • Information Patent Grant

    Encapsulated sensory agents
    • Patent number 5,496,574
    • Issue date Mar 5, 1996
    • Nestec S.A.
    • Dean F. Rushmore
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
  • Information Patent Grant

    Products from treatment of black tea
    • Patent number 5,250,317
    • Issue date Oct 5, 1993
    • Nestec S.A.
    • Richard T. Liu
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
  • Information Patent Grant

    Oxidation of tea
    • Patent number 5,139,802
    • Issue date Aug 18, 1992
    • Nestec S.A.
    • Richard T. Liu
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
  • Information Patent Grant

    Treatment of black tea
    • Patent number 5,130,154
    • Issue date Jul 14, 1992
    • Nestec S.A.
    • Richard T. Liu
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
  • Information Patent Grant

    Beverage infusion device and method
    • Patent number 5,047,252
    • Issue date Sep 10, 1991
    • Nestec S.A.
    • Richard T. Liu
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Beverage infusion device
    • Patent number D317972
    • Issue date Jul 9, 1991
    • Nestec S.A.
    • Richard T. Liu
    • D01 - Edible products
  • Information Patent Grant

    Flavorant capsules
    • Patent number 4,634,598
    • Issue date Jan 6, 1987
    • Nestec S.A.
    • Richard T. Liu
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
  • Information Patent Grant

    Process for improving the flavor and aroma of instant coffee
    • Patent number 4,606,921
    • Issue date Aug 19, 1986
    • Nestec S.A.
    • Richard T. Liu
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
  • Information Patent Grant

    Process for the preparation of flavorant capsules
    • Patent number 4,576,826
    • Issue date Mar 18, 1986
    • Nestec S.A.
    • Richard T. Liu
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
  • Information Patent Grant

    Separating volatile aromatics from roasted and ground coffee
    • Patent number 4,379,172
    • Issue date Apr 5, 1983
    • Societe d'Assistance Technique pour Produits Nestle S.A.
    • Richard T. Liu
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
  • Information Patent Grant

    Process for decaffeinating tea
    • Patent number 4,315,036
    • Issue date Feb 9, 1982
    • Societe d'Assistance Technique pour Produits Nestle S.A.
    • Saeed A. Husaini
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
  • Information Patent Grant

    Aromatization of coffee products
    • Patent number 4,072,761
    • Issue date Feb 7, 1978
    • Societe d'Assistance Technique pour Produits Nestle S.A.
    • Geoffrey Margolis
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
  • Information Patent Grant

    Decaffeination of vegetable material
    • Patent number 4,031,251
    • Issue date Jun 21, 1977
    • Societe d'Assistance Technique pour Produits Nestle S.A.
    • Geoffrey Margolis
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES