ALEXANDRIA, Va., May 26 -- United States Patent no. 12,637,484, issued on May 26, was assigned to ExxonMobil Chemical Patents Inc. (Baytown, Texas).
"Toluene free preparation of SMAO: heating with TMA to improve activity" was invented by Francis C. Rix (Houston), Lubin Luo (Houston) and Ky Ka Le (Pearland, Texas).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method including: contacting a support material including absorbed water with trimethylaluminum (TMA) in an aliphatic hydrocarbon; removing the aliphatic hydrocarbon by distillation at a pressure greater than or equal to 0.5 atm; heating, at a temperature ranging from about 25deg C. to about 200deg C., a reaction product of the support material and the...