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US4446053A Beta-amino acid derivatives and friction-modified lubricating compounds containing same 失效
β-氨基酸衍生物和含有它们的摩擦改性润滑化合物

Beta-amino acid derivatives and friction-modified lubricating compounds
containing same
摘要:
Disclosed are beta-amino acid derivatives which impart friction reducing properties to lubricating compositions. The additives of the invention are bifunctional carboxylic acid salts and amides derived from the basic hydrolysis of a cyanoethylated amine.
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