ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,497,569, issued on Dec. 16, was assigned to HYDROCARBON TECHNOLOGY & INNOVATION LLC (Lawrenceville, N.J.).

"Method and system for mixing catalyst precursor into heavy oil using a high boiling hydrocarbon diluent" was invented by David M. Mountainland (Princeton, N.J.), Brett M. Silverman (Salt Lake City) and Paul Sadelski (Plainsboro Township, N.J.).

According to the abstract* released by the U.S. Patent & Trademark Office: "System and method for mixing a catalyst precursor into heavy oil using a high boiling hydrocarbon diluent to form a diluted precursor mixture, which is mixed with the heavy oil feedstock to form a conditioned feedstock, which is subsequently heated to decompose t...