US Patent Issued to SHELL USA on Dec. 2 for "Apparatus for mixing in catalytic cracker reactor" (Texas Inventors)

ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,485,398, issued on Dec. 2, was assigned to SHELL USA INC. (Houston).

"Apparatus for mixing in catalytic cracker reactor" was invented by Robert Alexander Ludolph (Houston) and Michael Allen Basden (Deer Park, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention provides a catalytic cracking reactor comprising a conduit, configured to allow the passage of a flow of catalyst particles, and an injection zone comprising a ring of feed injectors extending inwardly from the wall of reactor and angled to inject feed into the flow of catalyst particles, characterised in that the reactor also comprises a contacting device protruding into the...