US Patent Issued to SAUDI ARABIAN OIL on July 21 for "System and method to measure cation exchange capacity" (Texas Inventors)

ALEXANDRIA, Va., July 21 -- United States Patent no. 12,687,535, issued on July 21, was assigned to SAUDI ARABIAN OIL COMPANY (Dhahran, Saudi Arabia).

"System and method to measure cation exchange capacity" was invented by Chao Liu (Brookshire, Texas) and Dung T. Phan (Brookshire, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system for determining cation exchange capacity includes: a container containing a solution having a solute and a solvent; a sample; a pressure sensor configured to measure an osmotic pressure of the sample generated by a flow of the solution through the sample; and a control unit configured to determine the cation exchange capacity of the sample based on the osmotic pressure m...