US Patent Issued to STEPAN on Sept. 1 for "Surfactant compositions" (Illinois Inventors)

ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,721,338, issued on Sept. 1, was assigned to STEPAN COMPANY (Northbrook, Ill.).

"Surfactant compositions" was invented by Mona Marie Knock (Barrington, Ill.) and Gregory P. Dado (Chicago).

According to the abstract* released by the U.S. Patent & Trademark Office: "Compositions comprising a nonionic surfactant and 0.1 to 30 wt. % of a low-mole alkoxylate are disclosed. Some low-mole alkoxylates have the formulawherein R is a linear or branched C8-C16 alkyl or alkanolamide group, AO is oxypropylene (PO), oxyethylene (EO), or combinations thereof in random or block configuration, p has an average value within the range of 0.5 to 7, the average number of PO groups is within the range of 0...