ALEXANDRIA, Va., April 9 -- United States Patent no. 12,269,799, issued on April 8, was assigned to ExxonMobil Engineering & Technology Co. (Baytown, Texas).
"Non-aromatic compound removal systems for para-xylene production" was invented by Bhupender S. Minhas (Bridgewater, N.J.), Jeevan S. Abichandani (Houston), Marcus L. H. Van Nuland (Rijen, Netherlands), Wai Kit Cheng (Lahat, Malaysia), Chong-Jhoo Wang (Serangoon Central, Singapore) and Robert G. Tinger (Friendswood, Texas).
According to the abstract* released by the U.S. Patent & Trademark Office: "Selective removal of non-aromatic hydrocarbons from a xylene isomerization process for para-xylene production is accomplished using a membrane unit positioned within a xylene recovery loop...