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Tobacco flavorants
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Patent number 4,974,609
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Issue date Dec 4, 1990
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Philip Morris Incorporated
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Everett W. Southwick
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C07 - ORGANIC CHEMISTRY
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Process for preparing acylpyrazine ethers
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Patent number 4,859,775
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Issue date Aug 22, 1989
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Philip Morris Incorporated
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David L. Williams
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A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
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Smoking compositions
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Patent number 4,470,421
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Issue date Sep 11, 1984
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Philip Morris, Incorporated
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Everett W. Southwick
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A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
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