Happi Staff02.03.20
US Patent No. 10,485,742 B2 (Neeta Atul Patel, Gregory Szewczyk, Andre Morgan, Melissa Muir) Colgate-Palmolive has patented a toothpaste composition comprising zinc in complex with an amino acid; a humectant system comprising a structuring humectant that is polyethylene glycol and propylene glycol; and an organic or inorganic acid selected from one or more of phosphoric acid, hydrochloric acid and citric acid. The composition has a stable yield stress for one month as measured by a Brookfield Viscometer using Spindle V74 at 1rpm.