ALEXANDRIA, Va., June 16 -- United States Patent no. 12,304,981, issued on May 20, was assigned to ExxonMobil Engineering & Technology Co. (Baytown, Texas).
"Polymerization using a spiral heat exchanger" was invented by Jay L. Reimers (Houston), Kevin W. Lawson (Houston), Peijun Jiang (Katy, Texas) and Gabor Kiss (Hampton, N.J.).
According to the abstract* released by the U.S. Patent & Trademark Office: "This invention relates to a polymerization process for forming polymer comprising: contacting (typically in a solution or slurry phase), a monomer and a catalyst system in a reaction zone comprising at least one spiral heat exchanger and recovering polymer, wherein the monomer, the catalyst system and the polymer flow through the at least...