ALEXANDRIA, Va., April 7 -- United States Patent no. 12,594,224, issued on April 7, was assigned to Colgate-Palmolive Co. (New York).
"Oral care compositions and methods of use" was invented by Carlo Daep (Brooklyn, N.Y.) and Rabab Ahmed (Somerset, N.J.).
According to the abstract* released by the U.S. Patent & Trademark Office: "The disclosure relates to oral care compositions comprising guanidine in free or orally acceptable salt form, a cationic quaternary ammonium compound (e.g., a pyridinium compound) (e.g., cetyl pyridinium chloride (CPC)), a fluoride source, and optionally a zinc source (e.g., zinc lactate or zinc citrate and zinc oxide) as well as to methods of using and of making these compositions."
The patent was filed on Sept...