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US4002653A Manufacture of anthraquinone 失效
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Manufacture of anthraquinone
摘要:
Anthraquinone is manufactured by oxidation of diphenylmethane compounds in the gas phase, in the presence of vanadium(V) oxide and titanium dioxide in a specific weight ratio. The anthraquinone which may be manufactured by the process of the invention is a valuable starting material for the manufacture of dyes and pesticides.
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