US Patent Issued to SABIC Global Technologies on Sept. 2 for "Systems and methods for enhancing the extractive section operability and modifying solvent heat recovery cycle in the separation of C4 mixtures" (Saudi Arabia Inventors)

ALEXANDRIA, Va., Sept. 3 -- United States Patent no. 12,404,222, issued on Sept. 2, was assigned to SABIC Global Technologies B.V. (Bergen op Zoom, Netherlands).

"Systems and methods for enhancing the extractive section operability and modifying solvent heat recovery cycle in the separation of C4 mixtures" was invented by Ahmad Mahdi Alshehri (Riyadh, Saudi Arabia), Mohammed Sabri Abdelghani (Riyadh, Saudi Arabia) and Ahmed Alzenaidi (Riyadh, Saudi Arabia).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system and a method for separating C4 and recovering 1,3-butadiene are disclosed. The system includes a main washer column, a rectifier column for separating a bottom stream from the main washer column, an af...