US Patent Issued to Ecolab USA on Sept. 30 for "Abating unwanted emulsion polymerization during extractive distillation of conjugated diene monomers" (American, Portuguese Inventors)

ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,428,360, issued on Sept. 30, was assigned to Ecolab USA Inc. (St. Paul, Minn.).

"Abating unwanted emulsion polymerization during extractive distillation of conjugated diene monomers" was invented by Zhenxing Xi (Katy, Texas), Pedro Jorge Carvalho Campos (Perre, Portugal), Debby Rossana (Tomball, Texas) and Jonathan Masere (Richmond, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "Inhibitor compositions for abating undesirable emulsion polymerization during processing of hydrocarbon stream laden with reactive vinylic monomers are provided. The polymerization inhibitor compositions include at least a first inhibitor compound having a stable nitroxid...