发明授权
US07667073B2 Preparation of catalytically active multielement oxide materials which contain at least one of the elements Nb and W and the elements Mo, V and Cu 有权
制备催化活性多元素氧化物材料,其含有元素Nb和W中的至少一种元素Mo,V和Cu

Preparation of catalytically active multielement oxide materials which contain at least one of the elements Nb and W and the elements Mo, V and Cu
摘要:
A process for making acrylic acid from acrolein; a process for making methacrylic acid from methacrolein; and a process for making acrylic acid from propane.
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