ALEXANDRIA, Va., June 2 -- United States Patent no. 12,643,839, issued on June 2, was assigned to Indian Oil Corporation Limited (Maharashtra, India).

"Process and a system for enhancing the yield of light olefins" was invented by Shikha Saluja (Faridabad, India), Gadari Saidulu (Faridabad, India), Madhusudan Sau (Faridabad, India), Sadhullah Mukthiyar (Faridabad, India), Terapalli Hari Venkata Devi Prasad (Faridabad, India) and Reshmi Manna (Faridabad, India).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides a process for high conversion residue cracking in a circulating fluidized bed reactor while integrating it with the dehydration of ethanol. More particularly, the present dis...