Oleoresinous varnishes containing fatty acid radicals copolymerized with monovinyl compound in presence of compound containing at least one but not more than two hemiquinoid groups

Claim 1

A COPOLYMER OF FLUID HOMOGENEOUS CHARACTER OF STYRENE COPOLYMERIZED AT 325 DEGREES F. TO 550 DEGREES F. IN THE PRESENCE OF FROM 0.25% TO 2% OF A CYCLIC UNSATURATED KETONE CONTAINING AT LEAST ONE BUT NOT MORE THAN TWO HEMIQUINOID GROUPS AS THE SOLE REACTIVE CENTERS THEREOF WITH AN UNPOLYMERIZED, NON-OXIDIZED, UNSATURATED MIXED DRYING OIL COMPOSITION FROM THE GROUP CONSISTING OF UNSATURATED DRYING OIL FATTY ACIDS, POLYHYDRIC ALCOHOL ESTERS OF DRYING OIL FATTY ACIDS AND POLYHYDRIC ALCOHOL POLYCARSOXYLIC ACID ESTERS OF DRYING OIL FATTY ACIDS SAID ACID CONSTITUENTS THEREOF CONSISTING ESSENTIALLY OF LESS THAN 30% OF CONJUGATED FATTY ACIDS AND LESS THAN 90% BUT MORE THAN 40% OF ESSENTIALLY MONOMERIC, NONCONJUGATED FATTY OIL ACIDS AND THE REMAINING ACID CONSTITUENTS CONSISTING ESSENTIALLY OF MINOR AMOUNTS OF OTHER DRYING VEGETABLE SEED OIL FATTY ACIDS, SAID POLYMER CONTAINING FROM 5% TO 50% BY WEIGHT OF STYRENE.