ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,398,246, issued on Aug. 26, was assigned to STEPAN COMPANY (Northfield, Ill.).

"Polymeric dispersants from phenyl glycidyl ether" was invented by Timothy A. Boebel (Wilmette, Ill.), Xue Min Dong (Lincolnshire, Ill.), E. Carolina Rojas (Highland Park, Ill.), Renee Luka (Park Ridge, Ill.), Gary Luebke (St. James, Mo.) and Paul W. Knox (Kenosha, Wis.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Copolymers comprising recurring units of a phenyl glycidyl ether and alkylene oxides are disclosed. Some of the copolymers comprise a di- or polyfunctional nucleophilic initiator and recurring units of the phenyl glycidyl ether and an alkylene oxide. The di- or po...