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Annemarie Mueller
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Monheim, DE
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last 30 patents
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Patent Grant
Process for obtaining a pepper extract with insecticidal activity
Patent number
4,820,517
Issue date
Apr 11, 1989
Henkel Kommanditgesellschaft auf Aktien
Hans Pfeiffer
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES