ALEXANDRIA, Va., March 24 -- United States Patent no. 12,584,014, issued on March 24, was assigned to SAUDI ARABIAN OIL COMPANY (Dhahran, Saudi Arabia).

"Porous polyurethane particle composition and methods thereof" was invented by Wenwen Li (Pearland, Texas), Fakuen Frank Chang (Houston) and Feng Liang (Cypress, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "A composition that includes porous polyurethane particles is provided. The porous particles are formed by curing an isocyanate component with water in the presence of a polyester filler and a hydrocarbon phase. A method for the preparation of porous polyurethane particles is also provided. The method includes providing a dispersed medium that cont...