ALEXANDRIA, Va., March 12 -- United States Patent no. 12,247,176, issued on March 11, was assigned to TotalEnergies OneTech (Courbevoie, France).
"Use of hydrogenated diene styrene polymer to reduce particulate emissions" was invented by Gautier Burette (Solaize, France) and Francois Paoloni (Solaize, France).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present application relates to the use of a lubricant composition comprising a base oil and a hydrogenated diene styrene polymer to reduce engine particulate emissions."
The patent was filed on March 23, 2021, under Application No. 17/913,607.
*For further information, including images, charts and tables, please visit: http://patft.uspto.gov/netacgi/np...