DeKalb Genetics Corporation DeKalb Genetics Corporation DeKalb Genetics Corporation (often stylized DEKALB; formerly DeKalb Agricultural Association and DEKALB AgResearch) was a diversified company headquartered in DeKalb, Illinois that marketed agricultural seeds and other products. The company was best known for its leading role in the development of hybrid corn and for its "winged ear" logo. DeKalb Genetics Corporation was purchased by the Monsanto Company in 1998. The DeKalb seed business, the DEKALB brand and the winged ear logo are now owned and managed by Monsanto. The history of DeKalb Genetics Corporation can be traced back to the Farm Bureau county organization, founded in
Monsanto process as catalysts. Because acetic anhydride hydrolyzes, the conversion is conducted under anhydrous conditions in contrast to the Monsanto acetic acid synthesis. Monsanto process The Monsanto process is an industrial method for the manufacture of acetic acid by catalytic carbonylation of methanol. The Monsanto process has largely been supplanted by the Cativa process, a similar iridium-based process developed by BP Chemicals Ltd which is more economical and environmentally friendly. This process operates at a pressure of 30–60 atm and a temperature of 150–200 °C and gives a selectivity greater than 99%. It was developed in 1960 by the German chemical company,