Incorporation of metallic pigment in coating compositions

Claim 1

A COATING COMPOSITION OF WATER-DISPERSED MATERIAL, COMPRISING WATER, A FILM-FORMING AGENT IN DISPERSED FORM RELATIVE TO THE WATER, SAID FILM-FORMING AGENT BEING ADAPTED TO PROVIDE A LASTING, COHERENT COATING ON A SURFACE TO WHICH THE COMPOSITION IS APPLIED, ALUMINUM PUGMENT, HYDROCARBON SOLVENT AND MATERIAL MAINTAINING SAID SOLVENT AND SAID WATER AS AN OIL-IN-WATER EMULSION WITH THE ALUMINUM PIGMENT DISPERSED THEREIN, SAID LAST-MENTIONED MATERIAL BEING ADAPTED, UPON DRYING OF AN APPLIED COATING OF THE COMPOSITION, TO LEAVE SUBSTANTIALLY ONLY WATERINSOLUBLE SUBSTANCES IN THE DRIED COATING, AND SAID LASTMENTIONED MATERIAL COMPRISING AN OIL-SOLUBLE SURFACEACTIVE AGENT CONSISTING OF A HETEROCYCLIC TERIARY NITROGEN COMPOUND HAVING A RING INCLUDING AT LEAST ONE TERTIARY NITROGEN ATOM AT ONE POSITION AND HAVING A PLURALITY OF SUBSTITUENTS AT OTHER POSITIONS OF THE RING, ONE OF SAID SUBSTITUENTS BEING SELECTED FROM THE CLASS CONSISTING OF ALKYL AND ALKENYL GROUPS HAVING FROM 12 TO 22 CARBON ATOMS, AT LEAST ONE OF ALL THE OTHER SUBSTITUENTS ON THE RING BEING A POLAR GROUP AND EACH OF THE REMAINDER OF ALL SAID OTHER SUBSTITUENTS THAT ARE NOT POLAR GROUPS BEING SELECTED FROM THE CLASS CONSISTING OF HYDROGEN AND ALKYL GROUPS HAVING FROM 1 TO 5 CARBON ATOMS, A COUPLING AGENT WHICH CONSISTS OF A LIQUID ORGANIC SOLVENT THAT IS MISCIBLE IN BOTH WATER AND HYDROCARBON SOLVENTS AND THAT IS ADAPTED TO EVAPORATE UPON SAID DRYING OF SAID APPLIED COATING, AND AUXILIARY EMULSIFYING MATERIAL CONSTITUTED BY A FATTY ACID AND A VOLATILE BASE TAHAT CONTAINS AMMONIA NITROGEN.