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Dichlorodiphenyltrichloroethane (DDT) Banned in USA

Dichlorodiphenyltrichloroethane (DDT) is an insecticide used in agriculture. The United States banned the use of DDT in 1972, but some countries still use the chemical. DDT has also been used in the past for the treatment of lice. It is still in use outside the United States…

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Benzimidazoles fungicide

Benzimidazoles were a new class and mode of action with broader spectrum of fungicidal activity. DuPont launched Benomyl as a systemic fungicide. Source: View Source

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Patents for structures and activity were issued for several groups including Ciba, Shell and FMC all within a year. Source: View Source

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Triazine herbicides discovered

Triazines revolutionized agriculture in the development of new farming methods, providing greater farming and land use capabilities, and increasing crop yields. Source: View Source

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Synthetic Pyrethroids

First synthetic pyrethroid was patented by USDA and subsequently licensed to multiple companies including Sumitomo Chemical. Source: J Pestic Sci 2019 Jul 25; 44(4): 215-224. doi 10.1584/jpestics.D19-102

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Geigy production of synthetic insecticides

After WW 1, Geigy conducted research to find moth poisons to protect wool. Then they expanded their research to find chemicals to use as seed disinfectants which lead to defining the research objective of synthesizing an insecticide. Source: Insects, Experts,…

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