Mortar compositions
First Claim
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1. A DRY MORTAR COMPOSITION WHICH CONSISTS ESSENTIALLY OF, BY WEIGHT, 50 TO 98.7% PORTALAND CEMENT, 1 TO 49.7% OF AT LEAST ONE SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF SAND AND POWDERED LIMESTONE, AND 0.3 TO 5% METHYL CELLULOSE OF 10,000 TO 15,000 CENTIPOISE VISCOSITY GRADE, SAID COMPOSITION BEING ADAPTED TO FORM A MORTAR COMPRISING WATER IN AN AMOUNT WHICH IS, BY WEIGHT, 50 TO 75% OF THE WEIGHT OF THE DRY INGREDIENTS EXCLUSIVE OF SAND.
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1. A DRY MORTAR COMPOSITION WHICH CONSISTS ESSENTIALLY OF, BY WEIGHT, 50 TO 98.7% PORTALAND CEMENT, 1 TO 49.7% OF AT LEAST ONE SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF SAND AND POWDERED LIMESTONE, AND 0.3 TO 5% METHYL CELLULOSE OF 10,000 TO 15,000 CENTIPOISE VISCOSITY GRADE, SAID COMPOSITION BEING ADAPTED TO FORM A MORTAR COMPRISING WATER IN AN AMOUNT WHICH IS, BY WEIGHT, 50 TO 75% OF THE WEIGHT OF THE DRY INGREDIENTS EXCLUSIVE OF SAND.
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