US Patent Issued to QINGDAO AGRICULTURAL UNIVERSITY on Sept. 8 for "Polymeric salt-tolerant and water-retaining fertilizer and preparation method thereof" (Chinese Inventors)

ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,729,168, issued on Sept. 8, was assigned to QINGDAO AGRICULTURAL UNIVERSITY (Shandong, China).

"Polymeric salt-tolerant and water-retaining fertilizer and preparation method thereof" was invented by Yan Shi (Qingdao, China), Yu Gao (Qingdao, China) and Wenqin Cao (Qingdao, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided are a polymeric salt-tolerant and water-retaining fertilizer and a preparation method thereof, belonging to the technical field of fertilizers, and including the following raw materials: fertilizer, water-retaining agent and clay; the water-retaining agents includes the following raw materials: polyacrylamide, methylallyl p...