发明授权
US4298484A Nitrogen-containing products of phosphosulfurized esters and lubricants containing same 失效
磷硫酯和含有它们的润滑剂的含氮产物

Nitrogen-containing products of phosphosulfurized esters and lubricants
containing same
摘要:
The invention herein is concerned with novel compositions of matter made by (1) reacting phosphorus pentasulfide with a polyhydroxyester and (2) reacting this product with a nitrogen-containing compound, and lubricant compositions containing same.
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