Resin derived from polyhydric alcohol, fatty oil, benzene tribasic acid and diaminoduene

Claim 1

AN OIL-MODIFIED RESIN CONSISTING OF THE PRODUCT MADE BY (I) REACTING IN AN INERT ATMOSPHERE AND IN THE PRESENCE OF AN ALCOHOLYSIS CATLYST, A POLYHYDRIC ALCOHOL AND A MEMBER OF THE CLASS CONSISTING OF VEGETABLE OIL, FISH OIL AND FATTY ACIDS CONTAINING AT LEAST 10 CARBON ATOMS IN RELATIVE AMOUNTS SUCH THAT ESSENTIALLY ONLY ONE HYDRPXYL GROUP IN SAID ALCOHOL REMAINS UNREACTED, AT A TEMPERATURE BETWEEN ABOUT 300*F. AND 500*F. FOR A TIME SUCH THAT THE DESIRED METHANOL COMPATIBILITY IS REACHED, (II) REACTING IN ESSENTIALLY EQUI-MOLAR AMOUNTS THE PRODUCT OF (I) AND AN ACIDIC MATERIAL SELECTED FROM THE CLASS CONSISTING OF TRIMESIC ACID, HEMIMELLITIC ACID, TRIMELLITIC ACID AND TRIMELLITIC ANHYDRIDE TO FORM A PRODUCT CONTAINING ESSENTIALLY TWO UNREACHED CARBOXYL GROUPS ON SAID ACID MOLECULE, AT A TEMPERATURE BETWEEN ABOUT 400*F. AND 500*F. UNTIL A SINGLE PHASE HOMOGENEOUS SOLUTION IS OBTAINED AND (III) REACTING THE PRODUCT OF (II) WITH ETRRAMETHYIDIAMINOBENZENE, SAID AMINE BEING CHARGED IN AN MOUNT FROM ABOUT 5 TO 20 MOLE PERCENT IN EXCESS OF THE STOICHIOMETRIC REQUIREMENT, AT A TEMPERATURE BETWEEN ABOUT 400*F. AND 500*F. FOR THE TIME NECESSARY TO OBTAIN THE DESIRED VISCOSITY AND DESIRED ACID NUMBER PRODUCT.