US Patent Issued to STEPAN on April 8 for "Reduced-residue hard surface cleaner and method for determining film/streak" (Illinois Inventors)

ALEXANDRIA, Va., April 9 -- United States Patent no. 12,270,010, issued on April 8, was assigned to STEPAN COMPANY (Northfield, Ill.).

"Reduced-residue hard surface cleaner and method for determining film/streak" was invented by Ronald A. Masters (Glenview, Ill.), Mona Marie Knock (Barrington, Ill.), Patrick Shane Wolfe (Palatine, Ill.), Timothy A. Boebel (Wilmette, Ill.), Xue Min Dong (Lincolnshire, Ill.) and Dennis S. Murphy (Libertyville, Ill.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Dilutable concentrates useful for hard surface cleaners with improved film/streak performance on high-energy surfaces are disclosed. The concentrates comprise a nonionic alkoxylated surfactant and a polyetheramine. A re...