ALEXANDRIA, Va., June 9 -- United States Patent no. 12,286,596, issued on April 29, was assigned to SHELL USA INC. (Houston).
"Fluidized bed devolatilization and cracking of solid refinery residue" was invented by Vikrant Nanasaheb Urade (Bangalore North, India), Rajeev Narayan (Karnataka, India), Ganesh Chintakunta (Karnataka, India), Harshavardhan Jayant Choudhari (Karnataka, India), Dhairya Dilip Mehta (Bangalore, India) and Ashwin Kumar Nagarajan (Bangalore North, India).
According to the abstract* released by the U.S. Patent & Trademark Office: "Implementations of the disclosed subject matter provide a process for upgrading refinery residue feedstock. Step a) may include introducing the refinery residue feedstock into a fluidized bed...