US Patent Issued to SAUDI ARABIAN OIL on April 21 for "Sulfonation method for efficient scaleup synthesis of Janus carbon nanofluids from waste plastics" (Massachusetts Inventors)

ALEXANDRIA, Va., April 21 -- United States Patent no. 12,606,733, issued on April 21, was assigned to SAUDI ARABIAN OIL COMPANY (Dhahran, Saudi Arabia).

"Sulfonation method for efficient scaleup synthesis of Janus carbon nanofluids from waste plastics" was invented by Ayrat Gizzatov (Winchester, Mass.), Wei Wang (Quincy, Mass.) and Sehoon Chang (Boston).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of preparing an enhanced oil recovery composition is described. The method includes carbonizing a waste plastic material to provide carbon microparticles, functionalizing the carbon microparticles with a SO3-containing gas such that the carbon microparticles have a hydrophilic surface, and grinding the ca...