| abstract |
COMPOSITION OF QUATERNARY DIESTER AMMONIUM SALT RESPONDING TO THE FORMULA: (CF DRAWING IN BOPI) IN WHICH R, R, R AND R REPRESENT HYDROGEN, HYDROCARBYL ALKYL OR ALKENYL RADICALS, OF WHICH AT LEAST ONE IS A RADICAL HYDROCARBYL IN CAC, R IS A DIVALENT RADICAL IN CAC, OR ATOMS OF CARBON AND OXYGEN, R IS HYDROGEN OR A HYDROCARBYL RADICAL, Z IS A NUMBER FROM 0 TO 4, AND X IS A SELECTED ANION AMONG THE HALOGENIDES , SULPHATES, CARBONATES, SULPHITES, BORATES, CARBOXYLATES AND PHOSPHATES. USE IN COMPOSITIONS OF ENGINE OILS. |