发明授权
US5053152A High molecular weight nitrogen-containing condensates and fuels and lubricants containing same 失效
高分子量含氮缩合物和含有它们的燃料和润滑剂

High molecular weight nitrogen-containing condensates and fuels and
lubricants containing same
摘要:
Improved additives/dispersants for lubricant and fuel compositions are obtained by condensing a hydroxyalkyl or hydroxyaryl compound with an amine compound. The condensates according to the present invention are produced by the acid catalyzed condensation of the amine reactant with the hydroxy reactant.
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