abstract |
THE PRESENT INVENTION CONCERNS A PROCESS FOR THE PREPARATION OF A BASIC ADDITIVE WITH AN ANTIWEAR AND DETERGENT EFFECT FOR LUBRICATING OILS, THE ADDITIVE THUS OBTAINED AND A LUBRICANT COMPOSITION CONTAINING SUCH ADDITIVE. THE PROCESS CONSISTS OF CONTACTING A MONO OR POLYCARBOXYLIC AND OR AMINOAN ACID IN SOLUTION OR DISPERSION IN OIL WITH A DETERGENT, AN ALKALINE-EARTH METAL DERIVATIVE, CARBONIC GAS, IN A THINNER OIL, A HYDROCARBON SOLVENT, POLAR IN THE PRESENCE OF A BASIC NITROGEN DRIFT. |