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Syngenta sues Willowood USA

Syngenta has filed a US lawsuit against Hong Kong-based Chinese agrochemical company Willowood's US subsidiary, Willowood USA (Roseburg, Oregon), over alleged patent and copyright infringement over the strobilurin fungicide, azoxystrobin. Syngenta claims that Willowood's Azoxy 2SC (azoxystrobin 250 g/litre) and AzoxyProp Xtra (azoxystrobin 142 g/litre + propiconazole 122 g/litre) infringe certain Syngenta patents relating to azoxystrobin and methods of making the fungicide.


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