US Patent Issued to Zhejiang Huangma Technology, Zhejiang Lukean Chemical, Zhejiang Huangma Shangyi New Material, Shangyu Huangma Surface Activated Reagent Research Institute on Dec. 30 for "Preparation process of allyl alcohol polyether with low potassium and sodium content" (Chinese Inventors)

ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,509,550, issued on Dec. 30, was assigned to Zhejiang Huangma Technology Co. Ltd. (Shaoxing, China), Zhejiang Lukean Chemical Co. Ltd. (Shaoxing, China), Zhejiang Huangma Shangyi New Material Co. Ltd. (Shaoxing, China) and Shangyu Huangma Surface Activated Reagent Research Institute Co. Ltd. (Shaoxing, China).

"Preparation process of allyl alcohol polyether with low potassium and sodium content" was invented by Weisong Wang (Zhejiang, China), Yifeng Jin (Zhejiang, China), Xinrong Wang (Zhejiang, China), Majishi Wang (Zhejiang, China) and Jiongfeng Zhao (Zhejiang, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The disclosure provides a preparation p...