US Patent Issued to T.EN Process Technology on April 22 for "Systems and methods for enhancing the recovery of styrene" (Massachusetts Inventors)

ALEXANDRIA, Va., June 6 -- United States Patent no. 12,281,071, issued on April 22, was assigned to T.EN Process Technology Inc. (Houston).

"Systems and methods for enhancing the recovery of styrene" was invented by Douglas S. Hubbell (Sudbury, Mass.) and Slawomir A. Oleksy (Billerica, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for enhancing the recovery of styrene includes feeding a hot liquid residue stream to a stripping vessel from a styrene monomer purification finishing system. The hot liquid residue stream includes styrene and compounds less volatile than styrene. The method includes introducing a gas to the stripping vessel to strip a portion of the styrene as vapor, generating a v...