US Patent Issued to Xi'an University of Technology on Sept. 8 for "Preparation device and method for asphalt concrete containing modified acid aggregates" (Chinese Inventors)

ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,729,160, issued on Sept. 8, was assigned to Xi'an University of Technology (Xian City, China).

"Preparation device and method for asphalt concrete containing modified acid aggregates" was invented by Yanlong Li (Xi'an City, China), Yunhe Liu (Xi'an City, China), Yang Li (Xi'an City, China), Heng Zhou (Xi'an City, China) and Wengang Li (Xi'an City, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The preparation device includes an upper main conveyor belt, and an aggregate box, a first silane emulsion container and a first paper mill sludge container sequentially arranged above the upper main conveyor belt in a conveying direction. A lower auxiliary ...