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Neonicotinoid insecticides are introduced

The neonics are a class of neuro-active insecticides chemically similar to nicotine. Shell (in the 1980s) and Bayer (in the 1990s) started work on their development. The neonicotinoid family includes acetamiprid, clothianidin, imidacloprid, nitenpyram, nithiazine, thiacloprid and thiamethoxam. Imidacloprid was…

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Ciba-Geigy formed

Ciba and Geigy merge to form Ciba-Geigy. Source: A History of the International Chemical Industry, by Fred Aftalion

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