ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,545,861, issued on Feb. 10, was assigned to FOR SPILLS LTD. (Edinburgh, Great Britain).

"Method and composition" was invented by David Lilly (Edinburgh, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for removing grease, oil or fat from a floor comprises applying expanded perlite particles in dry form to the floor and brushing said perlite across the affected area to strip or scour the grease, oil or fat, without applying water. The particle size of the perlite may be small, for example it may be the case that at least 90% by weight of the perlite has a particle size of less than 700 microns or less than 200 microns."

The patent ...