ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,767,903, issued on Oct. 20, was assigned to Lummus Technology LLC (Houston), Saudi Arabian Technology Co. (Dhahran, Saudi Arabia) and Chevron Lummus Global LLC (Richmond, Calif.).

"Process for heavy, whole crude conversion to valuable chemicals through integrated crude conditioning and steam cracking" was invented by Pedro Santos (Houston), Kareemuddin Shaik (Houston), Ujjal Mukherjee (Houston), Essam Abdullah Al-Sayed (Houston), Viral Desai (Houston), Mazin Tamimi (Houston), Derek Jones (Houston), Saud Al-Dulaijan (Houston), Peter Kuzma (Houston), Ibrahim Abba (Houston), Theodorus L.M. Maesen (Houston), Khaled Al-Johani (Houston) and Ronald Venner (Houston).

According to the abstrac...