US Patent Issued to SAUDI ARABIAN OIL on Oct. 14 for "Sulfonation method for efficient scale-up synthesis of janus carbon nanomaterials from biomass waste" (Massachusetts Inventors)

ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,441,931, issued on Oct. 14, was assigned to SAUDI ARABIAN OIL COMPANY (Dhahran, Saudi Arabia).

"Sulfonation method for efficient scale-up synthesis of janus carbon nanomaterials from biomass waste" 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 includes carbonizing a biomass waste material to provide carbon microparticles, functionalizing the carbon microparticles with a SO3-containing gas such that the carbon microparticles include a hydrophilic surface, and grinding the carbon microparticles t...