US Patent Issued to WANHUA CHEMICAL GROUP, WANHUA CHEMICAL (NINGBO) on Aug. 5 for "Preparation method for emulsifier, emulsifier, aqueous epoxy resin dispersion and formulation method" (Chinese Inventors)

ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,378,475, issued on Aug. 5, was assigned to WANHUA CHEMICAL GROUP Co. LTD. (Yantai, China) and WANHUA CHEMICAL (NINGBO) Co. LTD. (Ningbo, China).

"Preparation method for emulsifier, emulsifier, aqueous epoxy resin dispersion and formulation method" was invented by Xueshun Ji (Yantai, China), Weifei Li (Yantai, China), Rui Qu (Yantai, China), Junying Deng (Yantai, China), Xiao Wang (Yantai, China) and Jiakuan Sun (Yantai, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A preparation method for an emulsifier, an emulsifier, an aqueous epoxy resin dispersion, and a formulation method. The preparation method for an emulsifier comprises reacting aminosulf...