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Hydrogen sulfide suppression with amine derivative

  • US 4,778,609 A
  • Filed: 11/18/1987
  • Issued: 10/18/1988
  • Est. Priority Date: 04/25/1985
  • Status: Expired due to Fees
First Claim
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1. A functional fluid, comprising:

  • (A) an oil of lubricating viscosity;

    (B) a sulfurized organic compound selected from the group consisting of fats, alpha-olefins, fatty acid esters and triglycerides; and

    (C) a hindered imine of general structural formula (I);

    ##STR4## wherein R1, R2, R3 and R4 are each independently an alkyl moiety containing 1 to 14 carbon atoms.

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