发明授权
US3882042A Antioxidant composition of a rearrangement product of a tetra-aryl hydrazine with an alkali metal compound 失效
四芳基肼与碱金属化合物的重排产物的抗氧化剂组合物

Antioxidant composition of a rearrangement product of a tetra-aryl hydrazine with an alkali metal compound
摘要:
Antioxidant compositions are prepared by heating in a nonoxidising atmosphere a tetra-aryl hydrazine and combining the rearrangement product with an alkali metal or an alkali metal compound.
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