| abstract |
1. A LUBRICATING OIL COMPOSITION COMPRISING A MAJOR PROPORTION OF A LUBRICATING OIL CONTAINING A SMALL BUT EFFECTIVE AMOUNT, SUFFICIENT TO IMPART INCREASED DETERGENCY TO SAID LUBRICATING OIL, OF AN ADDITIVE WHICH IS A REACTION PRODUCT FORMED BY REACTING A PETROLEUM SULFONIC ACID REACTANT AND A POLYMER REACTANT SELECTED FROM THE GROUP SISTING OF (A) A POLYMER OF AN ETHYLENICALLY SUBSTITUTED HETEROCYCLIC NITROGEN BASE, (B) A POLYMER OF A 1,2-ALKYLENE IMINE CHARACTERIZED BY THE FORMULA AZIRIDINYL-R" WHEREIN R IS HYDROGEN OR AN ALKYL RADICAL CONTANING UP TO 14 CARBON ATOMS, AND HAVING A DEGREE OF POLYMERIZATION WITHIN THE RANGE OF 5 TO 2,000, AND (C) MIXTURES OF SAID POLYMERS (A) AND (B), SAID REACTING RATIOS SUCH THAT UNDER REACTION CONDITIONS AND AT REACTANT RATIOS SUCH THAT SAID REACTION PRODUCT IS FORMED. |