ALEXANDRIA, Va., Feb. 19 -- United States Patent no. 12,227,697, issued on Feb. 18, was assigned to SAUDI ARABIAN OIL COMPANY (Dhahran, Saudi Arabia).
"Methods for delaying in situ acid generation for acid delivery to a site" was invented by Desmond E. Schipper (Houston), Amy J. Cairns (Houston) and Katherine L. Hull (Houston).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided herein are methods and compositions for delayed in-situ generation of acids."
The patent was filed on Aug. 5, 2021, under Application No. 17/394,547.
*For further information, including images, charts and tables, please visit: http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=HITOFF&p=1&u=%2Fnetahtml%2FPTO%2Fsearch-bool....