| abstract |
1. A METHOD FOR THE MANUFACTURE OF A GAS-FREE DENTIFRICE CONTAINING FROM 10 TO 85% OF POLYHYDRIC ALCOHOL SELECTED FROM THE GROUP CONSISTING OF GLYCEROL AND SORBITOL AND MIXTURES THEREOF, 5 TO 75% OF POLISHING AGENT SELECTED FROM THE GROUP CONSISTING OF DICALCIUM PHOSPHATE, TRICALCIUM PHOSPHATE, INSOLUBLE SODIUM METAPHOSPHATE, CRYSTALLINE SILICA, COLLOIDAL SILICA, COMPLEX ALUMINUM SILICATES, ALUMINUM HYDROXIDE, MAGNESIUM PHOSPHATE, MAGNESIUM CARBONATE, CALCIUM CARBONATE, CALCIUM PYROPHOSPHATE, BENTONITE, TALC, CALCIUM SILICATE, CALCIUM ALUMINATE, ALUMINUM OXIDE, ALUMINUM SILICATE AND SILICA XEROGELS, AND MIXTURES THEREOF, 0.1 TO 3% OF SODIUM CARBOXYMETHYL CELLULOSE GELLING AGENT, 0.5 TO 5% OF SYNTHETIC ORGANIC DETERGENT SELECTED FROM THE GROUP CONSISTING OF HIGHER FATTY ACID MONOGLYCERIDE MONOSULFATES, HIGHER ALKYL SULFATES, HIGHER ALKYL ARYL SULFONATES, HIGHER OLEFIN SULFONATES, HIGHER ALKYL SULFOACETATES, HIGHER FATTY ESTERS OF 1,2-DIHYDROXYPROPANE SULFONATES, SUBSTANTIALLY SATURATED HIGHER ALIPHATIC ACYL AMIDES OF LOWER ALIPHATIC AMINOCARBOXYLIC ACID COMPOUNDS, HIGHER ALKYL POLY-LOWER ALKOXY SULFATES, HIGHER FATTY ACID SOAPS, BLOCK COPOLYMERS OF ETHYLENE OXIDE, PROPYLENE OXIDE AND PROPYLENE GLYCOL CONTAINING FROM 10 TO 100 AND MORE MOLES OF LOWER ALKYLENE OXIDE, ALKYLPHENYL POLYETHOXY ETHANOLS CONTAINING 10 TO 100 AND MOE MOLES OF LOWER ALKYLENE OXIDE, MIXED COPOLYMERS OF EHTYLENE OXIDE AND PROPYLENE OXIDE CONTAINING FROM 10 TO 100 AND MORE MOLE OF LOWER ALKYLENE OXIDE, POLYETHYLENE OXIDE DERIVATIVES OF FATTY ALCOHOLS, POLYETHYLENE OXIDE DERIVATIVES OF FATTY ACIDS, AND 0 TO 30% OF WATER WHICH COMPRISES MAKING A POLYHYDRIC ALCOHOL-SODIUM CARBOXYMETHYL CELLULOSE MIXTURE, ADMIXING A POLISHING AGENT WITH SUCH MIXTURE, DEGASSING THE MIXTURE TO FORM A FIRST INTERMEDIATE PRODUCT, PREPARING AN ESSENTIALLY GASFREE SECOND INTERMEDIATE MIXTURE OF THE SYNTHETIC ORGANIC DETERGENT IN A POLYHYDRIC ALCOHOL, AND ADMIXING THE FIRST AND SECOND MIXTURES UNDER VACUUM. |