Quick-drying urethane oil compositions

Claim 1

A COMPOSITION ADAPTED FRO QUICK-DRYING PROTECTIVE COATINGS COMPRISING A FILM-FORMING COMPONENT IN AN INERT VOLATILE SOLVENT WHEREIN THE FILM-FORMING COMPONENT IS A REACTION PRODUCT OF ORGANIC POLYISOCYANATE WITH A REACTANT MIXTURE CONTAINING ESTERS OF DRYING OIL FATTY ACIDS, WHEREIN THE ESTERS IN SAID REACTANT MIXTURE ARE PREDOMINANTLY PARTIAL ESTERS OF UNSAURATEDFATTY ACIDS DERIVED FROM GLYCERIDE DRYING OILS, WHEREIN SAID REACTANT MIXTURE CONTAINS FORM 0.5 TO 5.0 FREE HYDROXYL GROUPS PER ESTER LINKAGE PESENT, WHEREIN FROM 2% TO 40% OF THE TOTAL OF (A) THE FREE HYDROXYL AND (B) THE ESTER GROUPS PRESENT IN SAID REACTANT MIXTURE ARE GROUPS BONDED TO STRUCTURAL RESIDUES OF POLYETHER POLYOLS BEING A CONDENSATING PRODUCT OF A MEMBER SELECTED FROM THE GROUP CONSISTING OF ETHYLENE OXIDE AND PROPYLENE OXIDE WITH A POLYHYDROXY ORGANIC COMPOUND, WHEREIN THE RATIO OF THE NUMBER OF FREE ISOCYANATE GROUPS IN SAID ORGANIC POLYISOCYANATE TO THE NUMBER OF FREE HYDROXYL GROUPS IN SAID REACTANT MIXTURE IS GREATER THAN 0.8, AND WHEREIN THE REACTION PRODUCT OF SAID ORGANIC POLYISOCYANATE AND SAID REACTANT MIXTURE IS SUBSTANTIALLY FREE FROM UNREACTED ISOCYANATE GROUPS.