Word: indigo
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Dates: during 1910-1919
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...Indigo is now also made artificially, and this manufacturing process has driven the indigo plant from the market, because indigo can now be made at less cost than it can be grown. Professor Osterhaut indicated that the expected interesting developments in synthetic manufacture in the future...
...lesser extent, this side of technical chemistry is receiving increasing attention as the large research laboratories of the General Electric Company and the Du Pont Powder Company and many similar smaller laboratories show. This research has led to such results as the discovery of carborundum, the artificial production of indigo and caoutchouc, the development of the coal-tar industry, the electrical production of nitric acid from the air, and the practical synthesis of ammonia from its elements...