ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,491,144, issued on Dec. 9, was assigned to LG Household & Health Care Ltd. (Seoul, South Korea).
"Toothpaste composition" was invented by Ji Young Kim (Seoul, South Korea), Seongwoo Bak (Seoul, South Korea) and Won Ho Ha (Seoul, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A toothpaste composition has silica and a precipitated phosphate. The content of the precipitated phosphate is 2% to 10%, based on the total weight of the toothpaste composition and the average diameter of the precipitated phosphate particles is 75 micro metre to 180 micro metre. The toothpaste composition of the present invention was confirmed to have the effects of impr...