Method for curing concrete

Claim 1

THE METHOD OF PRODUCING IMPROVED CONCRETE CHARACTERIZED BY A UNIFORM, CLEAN, STONY APPEARING SAID DENSE SURFACE WHICH IS SUBSTANTIALLY DEVOID OF FREE WATER-SOLUBLE ALKALI, WHICH INCLUDES THE STEPS OF FINISHING OFF THE SURFACE OF FRESHLY CAST CONCRETE WITH MAXIMUM DISPATH AND IN DESIRED MANNER AND, SUBSTANTIALLY FORTHWITH, WHILE THE SURFACE IS STILL VERY WET AND SOFT, DISTRIBUTING OVER THE SURFACE A DRY FINELY PULVERULENT MIXTURE OF A WATER-REPELLENT SALT OF A FATTY ACID AND FINELY DIVIDED, SUBSTANTIALLY PURE SILICA CRYSTALS, TO FORM A CONTINUOUS, SELF-SEALING, DRY FILM ON THE SURFACE, ALLOWING THE FILM TO REMAIN IN PLACE UNTIL THE CONCRETE IS HARD AND DRY ENOUGH FOR USE, THEN REMOVING THE DRY POWDERED FILM PRODUCING MIXTURE FROM THE DRY CONCRETE SURFACE.

Claim 2

THE METHOD OF PRODUCING IMPROVED CONCRETE CHARACTERIZED BY A UNIFORM, CLEAN, STONY APPEARING SAID DENSE SURFACE WHICH IS SUBSTANTIALLY DEVOID OF FREE WATER-SOLUBLE ALKALI, WHICH INCLUDES THE STEPS OF FINISHING OFF THE SURFACE OF FRESHLY CAST CONCRETE WITH MAXIMUM DISPATH AND IN DESIRED MANNER AND, SUBSTANTIALLY FORTHWITH, WHILE THE SURFACE IS STILL VERY WET AND SOFT, DISTRIBUTING OVER THE SURFACE A DRY FINELY PULVERULENT MIXTURE OF A WATER-REPELLENT SALT OF A FATTY ACID AND FINELY DIVIDED, SUBSTANTIALLY PURE SILICA CRYSTALS, TO FORM A CONTINUOUS, SELF-SEALING, DRY FILM ON THE SURFACE, ALLOWING THE FILM TO REMAIN IN PLACE UNTIL THE CONCRETE IS HARD AND DRY ENOUGH FOR USE, THEN REMOVING THE DRY POWDERED FILM PRODUCING MIXTURE FROM THE DRY CONCRETE SURFACE.