ALEXANDRIA, Va., March 26 -- United States Patent no. 12,257,329, issued on March 25, was assigned to Helix Science LLC (Apex, N.C.).
"Composition for the control of oral malodor compounds" was invented by Anthony Andrady (Apex, N.C.) and Milroy Codipilly (West End, N.C.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An aqueous composition for removing oral malodor caused by volatile gaseous compounds present in the oral cavity is disclosed herein. The aqueous oral composition comprises one or more of metals selected from the group consisting of Silver, Gold, Zinc, Aluminum, Magnesium and Tin, wherein the metals are present as a stable aqueous nanoparticulate dispersion or a colloid, having an average metal ...