US Patent Issued to SAUDI ARABIAN OIL on Oct. 20 for "Hyperbranched crosslinker, and hydraulic fracturing fluid including same" (Saudi Arabia Inventors)

ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,767,879, issued on Oct. 20, was assigned to SAUDI ARABIAN OIL COMPANY (Dhahran, Saudi Arabia).

"Hyperbranched crosslinker, and hydraulic fracturing fluid including same" was invented by Wengang Li (Dhahran, Saudi Arabia) and Abdullah S. Garni (Dhahran, Saudi Arabia).

According to the abstract* released by the U.S. Patent & Trademark Office: "A hyperbranched crosslinker includes a base polymer including a hyperbranched polyethyleneimine, at least one oxiranylalkanol branch including at least one oxiranylalkanol monomer unit derived from oxiranylalkanol and bonded to the base polymer, and at least one amide-containing branch including a monomer unit derived from an acid anhydride and b...