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Caffeine adsorbent liquid filter
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Patent number 5,728,634
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Issue date Mar 17, 1998
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Kimberly-Clark Corporation
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Dennis Stein Everhart
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A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
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Compressed adsorbent filter cake
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Patent number 5,614,096
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Issue date Mar 25, 1997
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Kimberly-Clark Corporation
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Bernard Cohen
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A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
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Process for decaffeinating raw coffee
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Patent number 5,208,056
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Issue date May 4, 1993
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Chocolat Suchard Societe Anonyme
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Arthur G. Fischer
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A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
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Decaffeination of liquid medium
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Patent number 5,021,253
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Issue date Jun 4, 1991
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The Dow Chemical Company
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Kari R. Dawson-Ekeland
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A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
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Process for decaffeinating green coffee
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Patent number 4,885,181
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Issue date Dec 5, 1989
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Douwe Egberts Koninklijke Tabaksfabriek-Koffiebranderijen-Theehandel, N.V.
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Louris Kaper
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A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
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Coffee decaffeination with caffeic acid
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Patent number 4,767,634
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Issue date Aug 30, 1988
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General Foods Corporation
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William W. Kaleda
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A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
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Coffee extract decaffeination method
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Patent number 4,521,438
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Issue date Jun 4, 1985
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General Foods Corporation
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Bary L. Zeller
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A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES