High temperature lubricant

Claim 1

A LUBRICANT FOR USE AT ELEVATED TEMPERATURES ON OVEN CONVEYOR CHAINS AND THE LIKE IN THE FORM OF A WATER-IN-OIL EMULSION WHICH COMPRISES ABOUT 0.1-5 PERCENT BY WEIGHT, SUFFICIENT TO EMULSIFY THE WATER AND OIL, OF AN EMULSIFIER POSSESSING AN HLB NUMBER OF ABOUT 2-6 AND SELECTED FROM THE GROUP CONSISTING OF OLEOPHILIC ALKALINE EARTH PETROLEUM SULFONATES, OLEOPHILIC ALKALINE EARTH NAPHTHALENE SULFONATES AND OLEOPHILIC ALKALINE EARTH C3C18 ALKYL PHENATES, ABOUT 0.1-5 PERCENT BY WEIGHT OF A HIGH-TEMPERATURE STABILIZER FOR SAID EMULSION POSSESSING AN HLB NUMBER OF ABOUT 8-16 AND SELECTED FROM THE GROUP CONSISTING OF METAL SOAPS OF NAPHTHENIC ACIDS HAVING MOLECULAR WEIGHTS OF ABOUT 315-500 FORMED FROM THE METALS SODIUM, POTASSIUM, ANMMONIUM, LITHIUM, CALCIUM, STRONTIUM AND BARIUM, CALCIUM C8-C30 ALKYL SALICYLATE, C4-C18 ALKYL PHENOL, COPOLYMERS OF C10-C40 A-OLEFINES AND VINYL ALCOHOL HAVING A MOLECULAR WEIGHT OF 400050,000, WATER-SOLUBLE POLYACRYLAMIDE HAVING A MOLECULAR WEIGHT OF 35,000-50,000, WATER-SOLUBLE POLYVINYL PYRROLIDONE HAVING A MOLECULAR WEIGHT OF 35,000-50,000, OILSOLUBLE PARTIAL ESTERS OF POLYHYDRIC ALCOHOL AND C8-C32 FATTY ACID, SOAPS OF C16-C30 FATTY ACIDS FORMED FROM THE METALS POTASSIUM, SODIUM, AMMONIUM, LITHIUM, CLACIUM, STRONTIUMM AND BARIUM IN THE AMOUNT OF ABOUT 85-30 PERCENT BY WEIGHT, THE WATER CONTENT OF SAID EMULSION BEING ABOUT 15-70 PERCENT BY WEIGHT, AND ABOUT .05-5 PERCENT BY WEIGHT OF A SOLID LUBRICANT IN FINELY DIVIDED FORM HAVING A PARTICLE SIZE ABOUT FROM 0.25 TO ABOUT 25 MICRONS SAID LUBRICANT BEING DISPERSED IN THE WATER-IN-OIL EMULSION AND NORMALLY ADAPTED TO BECOME DEPOSITED ON THE SAID OVEN CONVEYOR CHAINS AT ELEVATED TEMPERATURES.