ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,503,537, issued on Dec. 23, was assigned to ZHONGHAO CHENGUANG RESEARCH INSTITUTE OF CHEMICAL INDUSTRY Co. LTD. (Zigong, China).

"Method for controlling mooney viscosity of peroxide-curable fluororubber" was invented by Jinlong Yu (Zigong, China), Bo Liu (Zigong, China), Ziqiang Zhong (Zigong, China), Tingjian Zhang (Zigong, China) and Zhongliang Xiao (Zigong, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention provides a method for controlling Mooney viscosity of peroxide-cured fluororubber. The method comprises: adding an initiator solution in a continuous supplementary manner during the emulsion polymerization process of a pero...