US Patent Issued to ExxonMobil Chemical Patents on April 14 for "Membrane-based separation processes enhanced with an absorption device" (Texas Inventors)

ALEXANDRIA, Va., April 15 -- United States Patent no. 12,599,870, issued on April 14, was assigned to ExxonMobil Chemical Patents Inc. (Baytown, Texas).

"Membrane-based separation processes enhanced with an absorption device" was invented by Umar Aslam (Houston) and Keith H. Kuechler (Friendswood, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "Olefin separation processes may comprise: introducing a first aqueous salt stream and a mixed feed stream comprising at least one olefin to a salt ion membrane; obtaining an olefin-rich permeate stream and an olefin-lean retentate stream from the salt ion membrane, at least the olefin-lean retentate stream comprising a salt ion membrane aqueous salt phase; introd...