ALEXANDRIA, Va., June 6 -- United States Patent no. 12,280,130, issued on April 22, was assigned to Omya International AG (Oftringen, Switzerland).
"Functionalized calcium carbonate for sun protection boosting" was invented by Tanja Budde (Brittnau, Switzerland) and Anais Hecker (Lyss, Switzerland).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a cosmetic composition having UV-A and/or UV-B protection comprising at least one inorganic UV filter, and surface-reacted calcium carbonate having a volume median particle size d50 from 0.1 to 90 micro metre, wherein the surface-reacted calcium carbonate is a reaction product of natural ground calcium carbonate or precipitated calcium ...