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Ashless dispersants

  • US 5,296,560 A
  • Filed: 08/06/1993
  • Issued: 03/22/1994
  • Est. Priority Date: 07/03/1990
  • Status: Expired due to Fees
First Claim
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1. Dispersant adduct useful in lubricating oils comprising reaction products of (A) polymer-substituted mono- or dicarboxylic acid or anhydrides derived from the reaction of (i) polyolefin with (ii) monounsaturated carboxylic reactant and (B) bis (para-amino cyclohexyl) methane oligomers;

  • said reaction being conducted in a manner and under conditions sufficient to formimide, amide or mixtures thereof.

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