04.01.16
US Patent No. 9,254,253 B2; Colgate-Palmolive Company has patented a method of manufacturing a toothpaste. It entails dispersing guar gum into a first aqueous medium comprising sorbitol to produce a first gellant dispersion including hydrated guar gum in a sorbitol solution; dispersing at least one cellulose polymer into a second aqueous medium to produce a second gellant dispersion including hydrated cellulose polymer in an aqueous solution; combining the first and second gellant dispersions to form a third gellant dispersion; and mixing the third gellant dispersion with a plurality of toothpaste components. The toothpaste components include an abrasive comprising calcium carbonate particles.