ALEXANDRIA, Va., March 17 -- United States Patent no. 12,576,384, issued on March 17, was assigned to NOVA Chemicals (International) S.A. (Fribourg, Switzerland).

"Internally heated reactor for hydrocarbon conversion" was invented by Jeffrey Crowe (Calgary, Canada), Eric Clavelle (Calgary, Canada), Jason Pumfrey (Newbury, Canada) and Vasily Simanzhenkov (Calgary, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus for hydrocarbon conversion, the apparatus including a reactor and a reactor insert secured and disposed within an interior cavity of the reactor, is described. The reactor is configured to permit addition of a feed stream comprising a hydrocarbon at an upstream end of the reactor and...