ALEXANDRIA, Va., Feb. 5 -- United States Patent no. 12,215,300, issued on Feb. 4, was assigned to Thonhauser GmbH (Giesshuebl, Austria).
"Composition for cleaning surfaces" was invented by Daniel Herzog (Purkersdorf, Austria).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a composition for cleaning surfaces and/or for detecting organic substances in a solution or on a surface, comprising a) at least one salt of the permanganic acid, ferric acid and/or chromic acid, b) at least one organic phosphonate and c) at least one persulphate,wherein the at least one organic phosphonate has a general formula (I) wherein R1 is an organic moiety, X1 is OH or OM1 and X2 is OH or OM2, wherei...