Multicolor coating composition and method for preparation thereof

Claim 1

A SPRAYABLE MULTICOLOR OIL-IN-WATER EMULSION COATING COMPOSITION WHICH COMPRISES IN COMBINATION A CONTINUOUS AQUEOUS PHASE CONTAINING A PROTECTIVE COLLOID THEREIN AND HAVING SUSPENDED THEREIN (A) A FIRST DISPERSED PHASE COMPRISING MICROSCOPIC PIGMENT MENT PARTICLES AND DISCRETE MICROSCOPIC EMULSIFIED PARTICLES OF A POLYMER PREPARED BY POLYMERIZING AN ETHYLENICALLY UNSATURATED MONOMER, THE RESULTANT POLYMER EMULSION BEING CAPABLE IF DEPOSITING A STET FILM UPON DRYING AND (B) A SECOND DISPERSED PHASE COMPRISING MACROSCOPIC DISCRETE PARTICLES OF A VISCID, ORGANIC, LIQUIID VARNISH HAVING A WATER-INSOLUBLE, THIXOTROPIC, NON-VOLATILE COMPONENT THEREIN OBTAINED BY HEATING A POLYAMIDE RESIN HAVING A MOLECULAR WEIGHT BETWEEN APPROXIMATELY 3000 TO 9000 WHICH IS FORMED BY THE REACTION OF DIMERIZED AND TRIMERIZED UNSATURATED FAT ACIDS WITH AN ALKYLENE DIAMINE, AND A VEHICLE SELECTED FROM THE GROUP CONSISTING OF GLYCERIDE OILS, OIL-MODIFIED ALKYD RESINS AND VARNISH ESTER BODIES AT A TEMPERATURE ABOVE THE MELTING POINT OF SAID POLYAMIDE RESINS BUT BELOW 600*F. UNTIL A ONE PART SAMPLE MIXED WITH NINE PARTS OF MINERAL SPIRITS WHEN COOLED TO ROOM TEMPERATURE SHOWS NO GRAININESS, AND HAS MAXIMUM TURBIDITY AND A CLOUDY APPEARANCE, SAID WATER SOLUBLE PROTECTIVE COLLOID BEING DISPERSED IN SAID AQUEOUS PHASE IN AN AMOUNT SUFFICIENT TO STABILIZE THE AFORESAID COMPONENTS IN THE PHASE ORDER DESCRIBED, AND SAID VARNISH HAVING A COLOR DIFFERENT FROM THE COLOR OF SAID PIGMENT SUSPENDED IN SAID AQUEOUS PHASE