发明授权
EP0548049B1 Synthetic lubricating oils 失效
合成润滑油

Synthetic lubricating oils
摘要:
The oil comprises as a base oil carbonic acid ester(s) prepd. from a source of carbonic acid moieties and the following alcoholic components: (A) a monohydric alcohol, (B) a dihydric alcohol, and (C) a neopentyl type polyol having 5-7C and 3-4 OH gps. or its dimer or trimer.
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