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Lubricating compositions containing the reaction product of a substituted succinic acid-producing compound, an amino compound, and an alkenyl cyanide

  • US 3,366,569 A
  • Filed: 01/09/1967
  • Issued: 01/30/1968
  • Est. Priority Date: 03/30/1959
  • Status: Expired due to Term
First Claim
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1. A LUBRICATING COMPOSITION A MAJOR PROPORTION OF A LUBRICATING OIL AND A MINOR PROPORTION, SUFFICIENT TO IMPART DETERGENCY THERETO, OF A NITROGENCONTAINING COMPOSITION PREPARED BY THE PROCESS COMPRISING THE REACTION AT A TEMPERATURE BETWEEN ABOUT 80*C. AND BELOW THE DECOMPOSITION TEMPERATURE OF A HYDROCARBON-SUBSTITUTED SUCCINIC ACID-PRODUCING COMPOUND HAVING AT LEAST ABOUT 50 ALIPHATIC CARBON ATOMS IN THE HYDROCARBON SUBSTITUENT WITH AT LEAST ABOUT 0.5 EQUIVALENT, PER EQUIVALENT OF THE HYDROCARBON-SUBSTITUTED SUCCINIC ACID-PRODUCING COMPOUND, OF AN AMINE SELECTED FROM THE CLASS CONSISTING OF ALKYLENE POLYAMINES, AND AT LEAST ABOUT 0.1 EQUIVALENT PER EQUIVALENT OF THE HYDROCARBON-SUBSTITUTED SUCCINIC ACID-PRODUCING COMPOUNDS, OF AN ALKENYL CYANIDE.

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