ALEXANDRIA, Va., March 31 -- United States Patent no. 12,590,271, issued on March 31, was assigned to Aspen Pumps Ltd. (Hailsham, Great Britain).
"Cleaning compositions" was invented by Kajally Jobe (Hailsham, Great Britain) and Christopher John Gee (Hailsham, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to cleaning compositions, in particular to cleaning compositions for use in heating, ventilation and air-conditioning (HVAC) installations. We describe an acidic cleaning composition concentrate comprising: at least one acid having a pKa1 of 4 or less, wherein the at least one acid is at least one organic acid and/or non-oxidising mineral acid; a rheology modifie...