ALEXANDRIA, Va., June 12 -- United States Patent no. 12,296,382, issued on May 13, was assigned to DOWA ELECTRONICS MATERIALS Co. LTD. (Tokyo).
"Method for producing silver powder" was invented by Satoko Sugawara (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method is provided for producing a silver powder which has a smaller particle size distribution than the conventional one without changing the type of surface treatment agent, and also for enabling a low resistance when the silver powder is made into a paste to form an electrode. The method for producing a silver powder includes adding an O/W-type emulsion containing micelles of a surface treatment agent having a volume-based cumulative 50% par...