Patents on native technology challenged.
Wolfgang
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D002617:Chemical Industry; D007194:India; D007306:Insecticides; D036701:Limonins; D010330:Patents as Topic; D014197:Trees; D014315:Triterpenes; D014481:United States
D007306:Insecticides; D036701:Limonins; D014315:Triterpenes; C010329:azadirachtin