US Patent Issued to SAUDI ARABIAN OIL on May 13 for "Self-repairing cement including microcapsule-in-microcapsule material and designed swellable rubber and methods for fabricating same" (Russian, Saudi Arabia Inventors)

ALEXANDRIA, Va., June 12 -- United States Patent no. 12,297,148, issued on May 13, was assigned to SAUDI ARABIAN OIL COMPANY (Dhahran, Saudi Arabia).

"Self-repairing cement including microcapsule-in-microcapsule material and designed swellable rubber and methods for fabricating same" was invented by Maxim Orlov (Moscow), Abdullah S. Al-Yami (Dhahran, Saudi Arabia) and Madina Baltaeva (Astrakhan, Russia).

According to the abstract* released by the U.S. Patent & Trademark Office: "Microcapsule encapsulated microcapsule (MIM) material compositions and methods for preparing the same are provided for self-repairing cements that include a plurality of first microcapsules where each of the first microcapsule comprises a first core and a first sh...