ALEXANDRIA, Va., May 12 -- United States Patent no. 12,622,774, issued on May 12, was assigned to Colgate-Palmolive Co. (New York).
"Method of whitening teeth" was invented by Hallena Strotman (Somerset, N.J.) and Leighton Davies-Smith (Lebanon, N.J.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method of whitening teeth that decreases the amount of time that the whitening composition is in contact with the teeth. Specifically, by pretreating the whitening composition with light before contacting the teeth with the whitening composition, the amount of time that the whitening composition needs to be in contact with the teeth can be reduced. In one aspect, the method may include dispensing a tooth whitening...