US Patent Issued to Jiahua Science & Technology Development (Shanghai) on Feb. 24 for "Grinding aid for cement and preparation method therefor" (Chinese Inventors)

ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,559,433, issued on Feb. 24, was assigned to Jiahua Science & Technology Development (Shanghai) Ltd. (Shanghai).

"Grinding aid for cement and preparation method therefor" was invented by Fuxian Fang (Shanghai), Xinyao He (Shanghai) and Yubo Li (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure belongs to the technical field of preparation of functional materials, and in particular relates to a grinding aid for cement and a preparation method therefor. The components of the grinding aid include a modified alcohol amine of a specific structure and a polycarboxylic acid polymer of a specific structure, and a mass ratio of the mo...