Bayer’s spirotetramat cis-trans isomer mixture to go off patent in China on 22 July, 2017

On 22 July, 2017, Bayer's spirotetramat cis-trans isomer mixture will go off patent in China. And the patent of spirotetramatcis-isomer which actually plays insecticidal activity will expire in 2023. Spirotetramat was found and developed by Bayer, wh...

Insecticides China News 201707

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