Incorporation of alkali and alkaline earth metals in oil, and resulting product

Claim 1

A PROCESS FOR PREPARING A DETERGENT CONCENTRATE WHICH COMPRISES PROVIDING A MIXTURE CONSISTING ESSENTIALLY OF A HYDROCARBON LUBRICATING OIL, SELECTED FROM THE CLASS CONSISTING OF MINERAL LUBRICATING OILS AND ALKYLENE POLYMER OILS, AND A BASIC METAL COMPOUND SELECTED FROM THE CLASS CONSISTING OF ALKALI METAL AND ALKALINE EARTH METAL OXIDES AND HYDROXIDES IN AN AMOUNT SUFFICIENT TO PROVIDE ABOUT 5-34 PERCENT BY WEIGHT OF METAL IN THE SAID MIXTURE, HEATING THE SAID MIXTURE AT A TEMPERATURE OF AT LEAST ABOUT 300*F. BUT BELOW 400*F. FOR AT LEAST 2 HOURS, THEREAFTER HEATING THE SAID MIXTURE TO A HIGHER TEMPERATURE IN THE RANGE OF 400-700*F. BUT BELOW THE DECOMPOSITION TEMPERATURE OF THE SAID LUBRICATING OIL WHILE BLOWING AIR THROUGH THE SAID MIXTURE AT A RATE OF AT LEAST ABOUT 0.09 LITER OF AIR PER HOUR PER GRAM OF THE SAID LUBRICATING OIL DURING THE SAID HEATING, AND SEPARATING ANY UNREACTED BASIC METAL COMPOUND FROM THE RESULTING PRODUCT.