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Methyl xanthine antagonism
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Patent number 4,076,856
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Issue date Feb 28, 1978
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General Foods Corporation
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Benjamin R. Zeitlin
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A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
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Caffeine antagonim
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Patent number 4,007,290
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Issue date Feb 8, 1977
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General Foods Corporation
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Benjamin Raphael Zeitlin
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A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
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2036345
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Patent number 2,036,345
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Issue date Apr 7, 1936
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A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES