ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,729,176, issued on Sept. 8, was assigned to NIPPON SHOKUBAI Co. LTD. (Osaka, Japan).

"Method for purifying compound" was invented by Shogo Arai (Himeji, Japan), Masashi Mukae (Himeji, Japan), Hiroki Wada (Himeji, Japan), Toshiya Fukumoto (Himeji, Japan), Takayuki Matsuda (Himeji, Japan) and Toyofumi Sakai (Himeji, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a method for purifying a compound capable of providing a high purity compound in high yield and at low cost. The present invention relates to the method for purifying a compound using a purification apparatus, the purification apparatus including: a crystallizing unit including a...