Single phase liquid lubricating, anticorrosion, anti-acid composition and preparation of same

Claim 1

A SINGLE PHASE LUBRICATING, ANTI-CORROSION, ANTI-ACID COMPOSITION, DESIGNED AS A CONDITIONING ADDITIVE FOR 20 TO 60 FOLD DILUTION WITH AN AQUEOUS HEAT-EXCHANGE LIQUID FOR USE IN A COOLING SYSTEM OF AN INTERNAL COMBUSTION ENGINE, CONSISTING ESSENTIALLY OF (A) THE WATER-SOLUBLE BORATE SALT PRODUCT OF FORMING AN ACIDIC BORIC INTERMEDIATE BY HEATING ORTHOBORIC ACID AND AT LEAST ONE DIHYDROC ALCOHOL SELECTED FROM THE GROUP CONSISTING OF 1,2 ETHANEDIOL AND 1,2 PROPENEDIOL IN THE PROPORTIONS OF 2 TO 5 MOLS OF SAID DIHYDRIC ALCOHOL PER MOL OF B2O3 AND REACTING SAID ACIDIC INTERMEDIATE WITH CAUSTIC ALKALI OF AT LEAST ONE METAL SELECTEED FROM POTASSIUM AND SODIUM IN THE PROPORTIONS OF 1 TO 2 MOLS OF B2O3 PER MOL OF M2O, WHERE M IS SAID ALKALI METAL, SAID HEATING AND REACTING BEING CONTROLLED TO A TEMPERATURE NO GREATER THAN 300*F., WATER BEING INITIALLY PRESENT IN SAID REACTANTS IN AN AMOUNT SUBSTANTIALLY NO GREATER THAN B2O3 BEING PRESENT AS 2H3BO3 AND M2O BEING PRESENT AS 2 MOH AND A PROPORTION OF SAID WATER BEING ELIMANATED FROM SAID REACTANTS BY VOLATILIZATION TO PROVIDE AN AMOUNT OF RESIDUAL WATER COMPATIBLE IN THE FINAL WATER SINGLE PHASE LIQUID COMPOSITION WHEN SAID INITIAL WATER CONTENT EXCEEDS THE WATER-COMPATIBILITY LEVEL, SAID RESULTING BORATE SALT PRODUCT BEING PRESENT IN SUFFICENT AMOUNT TO PROCIDE 6% TO 25% OF THE BORATE SALT EXPRESED AS THE SUM OF B2O3 PLUS M2O. (B) 3% TO 15% OF A WATER-IMMISCIBLE MONOHYDRXY 1,2 POLYOXYPROPYLENE MONOALKYL ETHER HAVING AN AVERAGE OF ABOUT 8 TO 32, 1,2 OXYPROPYLENE GROUPS PER MOLECULE AND AN AVERAGE MOLECULAR WEIGHT OF ABOUT 450 TO 1600 AS A LUBRICANT, THE BALANCE OF THE COMPOSITION CONSISTING ESSENTIALLY OF (C) AT LEAST ONE WATER-SOLUBLE ALIPHATIC MONOHYDRIC ALCOHOL SELECTED FROM THE GROUP CONSISTING OF METHANOL AND ETHANOL AS A SOLVENT FOR SAID SALT (A) AND SAID LUBRICANT (B), AND (D) A COMPATIBLE PROPORTION OF WATER IN AMOUNT NO GREATER THAN 12%, THE INDICATED PERCENTAGES BEING BASED ON THE TOTAL WEIGHT OF THE COMPOSITION.