TREA

by extraction of the leaves with selective solvents

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  • CPC
  • A23F3/366
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Parent Industries

AHUMAN NECESSITIES A23Foods A23FCOFFEE TEA THEIR SUBSTITUTES MANUFACTURE, PREPARATION, OR INFUSION THEREOF A23F3/00Tea Tea substitutes Preparations thereof

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A23F3/366by extraction of the leaves with selective solvents
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Patents Grantslast 30 patents

  • Information Patent Grant

    Green tea extract
    • Patent number 9,198,946
    • Issue date Dec 1, 2015
    • Kao Corporation
    • Yoshikazu Ogura
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Packaged beverage with caffeine-containing catechin composition
    • Patent number 8,574,655
    • Issue date Nov 5, 2013
    • Kao Corporation
    • Yoshikazu Ogura
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Method of removing caffeine from caffeine-containing catechin compo...
    • Patent number 7,883,734
    • Issue date Feb 8, 2011
    • Kao Corporation
    • Yoshikazu Ogura
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Method for decaffeinating tea
    • Patent number 7,858,138
    • Issue date Dec 28, 2010
    • NATECO2 GmbH + Co. KG
    • Manfred Gehrig
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
  • Information Patent Grant

    Decaffeinating coffee and tea
    • Patent number 5,153,015
    • Issue date Oct 6, 1992
    • Uhde GmbH
    • Peter Theissing
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
  • Information Patent Grant

    Process for aromatization of treated tea
    • Patent number 5,087,468
    • Issue date Feb 11, 1992
    • Hopfenextraktion HVG Barth, Raiser & Co.
    • Josef Schulmeyr
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
  • Information Patent Grant

    Process for the decaffeination of tea
    • Patent number 4,976,979
    • Issue date Dec 11, 1990
    • SKW Trostberg Aktiengesellschaft
    • Hubertus Klima
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
  • Information Patent Grant

    Process for the production of decaffeinated tea
    • Patent number 4,938,977
    • Issue date Jul 3, 1990
    • Hopfen-Extraktrion HVG Barth, Raiser & Co.
    • Manfred Gehrig
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
  • Information Patent Grant

    Decaffeination process
    • Patent number 4,465,699
    • Issue date Aug 14, 1984
    • Societe d'Assistance Technique pour Produits Nestle S.A.
    • Fulvio A. Pagliaro
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
  • Information Patent Grant

    Process for the extraction of caffeine from super-critical solutions
    • Patent number 4,411,923
    • Issue date Oct 25, 1983
    • HAG Aktiengesellschaft
    • Peter Hubert
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
  • Information Patent Grant

    Method for the selective extraction of caffeine from vegetable mate...
    • Patent number 4,255,458
    • Issue date Mar 10, 1981
    • Hag Aktiengesellschaft
    • Ludwig Roselius
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
  • Information Patent Grant

    Method for the manufacture of caffeine free black tea
    • Patent number 4,167,589
    • Issue date Sep 11, 1979
    • Otto Vitzthum
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
  • Information Patent Grant

    2181549
    • Patent number 2,181,549
    • Issue date Nov 28, 1939
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
  • Information Patent Grant

    2085489
    • Patent number 2,085,489
    • Issue date Jun 29, 1937
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
  • Information Patent Grant

    2010919
    • Patent number 2,010,919
    • Issue date Aug 13, 1935
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
  • Information Patent Grant

    1996199
    • Patent number 1,996,199
    • Issue date Apr 2, 1935
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
  • Information Patent Grant

    1848740
    • Patent number 1,848,740
    • Issue date Mar 8, 1932
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES

Patents Applicationslast 30 patents