US Patent Issued to Imam Abdulrahman Bin Faisal University on June 23 for "Method for forming polymer modified asphalt" (Saudi Arabia Inventor)

ALEXANDRIA, Va., July 15 -- United States Patent no. 12,662,431, issued on June 23, was assigned to Imam Abdulrahman Bin Faisal University (Dammam, Saudi Arabia).

"Method for forming polymer modified asphalt" was invented by Muhammad Abubakar Dalhat (Dammam, Saudi Arabia).

According to the abstract* released by the U.S. Patent & Trademark Office: "A superhydrophobic asphalt and a method of its preparation. The superhydrophobic asphalt contains an asphalt layer containing a polymer modified asphalt, preferably a radial SBS modified asphalt, and a polypropylene layer. The polypropylene layer comprises granules of polypropylene thermally fused to the asphalt layer. The superhydrophobic asphalt has a water contact angle of 145 to 170deg, abov...