Coating compositions

Claim 1

A LIQUID COATING COMPOSITION COMPRISING, AS THE ESSENTIAL ORGANIC FILM-FORMING METAL, A COMPATIBLE MIXTURE OF (A) 20%-50% BY WEIGHT A CARBOXYL-CONTAINING INTERPOLYMER OF A MONOMER MIXTURE CONSISTING ESSENTIALLY OF MAJOR PROPORTION OF STYRENE, AN EFFECTIVE SMALL POROPORTION OF A POLYMERIZABLE MONO-CARBOXYLIC ACID OF THE GROUP OF METHACRYLIC ACID, ACRYLIC ACID AND MIXTURES THEREOF, AND A MINOR PROPORTION OF AT LEAST ONE ESTER OF SAID POLYMERIZABLE ACIDS AND A C1-C4 ALKANOL, (B) 20%-50% OF A DRYING FATTY ACID ESTER VARNISH WHICH IN 100 PARTS BY WEIGHT OF ESTER-FORMING REACTANTS THEREOF CONSISTS ESSENTIALLY OF AT LEAST 40 PARTS OF RESINOUS EPOXYHYDROXYPOLYETHER AND 15 TO 60 PARTS OF DRYING FATTY ACID MATERIAL OF THE CLASS CONSISTING OF C12-C22 FATTY ACIDS, GLYCERIDE ESTERS OF C12-C22 FATTY ACIDS AND MIXTURES THREOF, INCLUDING EQUIVALENTLY AT LEAST 15 PARTS OF AT LEAST ONE C16-C22 POLYUNSATURATED FATTY ACID, SAID RESIONOUS EPOXYHYDROXYPOLYETHER BEING PARTIALLY ESTEIFIED EITH AT LEAST ONE SAID FATTY ACID, AND COMPLEMENTALLY (C) 10%40% OF A MEMBER OF THE CLASS CONSISTING OF UREA-FORMALDEHYDE-C1-C4 ALKANOL CONDENSATES, UREA/MELAMINEFORMALDEHYDE-C1-C4 ALKANOL CONDENSATES, MELAMINEFORMALDEHYDE-C1-C4 ALKANOL CONDENSATE, BENZOGUANAMINE-FORMALDEHYDE-C1-C4 ALKANOL CONDENSATES, AND MIXTURES THEREOF, SAID ORGANIC FILM-FORMING MATERIAL BEING IN SOLUTION IN A VOLATILE ORGANIC LIQUID INCLUDING AT LEAST ONE SOLVENT FOR SAID ORGANIC FILM-FORMING COMPONENTS, SAID CARBOXYL-CONTAINING IMTERPOLYMER BEING THE POLYMER PRODUCT OF SOLUTION POLYMERIZATION OF SAID MONOMER MIXTURE IN THE PRESENCE OF A VOLATILE LIQUID AROMATIC HYDROCARBON AS A SOLVENT FOR SAID MONOMERS AND THE INTERPOLYMER THEREOF.