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Gerrit W. Verhoeve
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Feucherolles, FR
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Patent Grant
2-Methyl-5,7-dihydrothieno-[3,4d]-pyrimidine
Patent number
3,960,860
Issue date
Jun 1, 1976
International Flavors & Fragrances Inc.
Ira Katz
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES