ALEXANDRIA, Va., April 21 -- United States Patent no. 12,606,470, issued on April 21, was assigned to ORGANO Corp. (Tokyo).
"Urea treatment method and device" was invented by Naonori Momotani (Tokyo), Kazushige Takahashi (Tokyo) and Yoshiaki Hasebe (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A urea treatment method in which hypobromite ions are generated by adding a chlorine-based oxidizer and a bromide salt to to-be-treated water containing urea so as to break down the urea in the to-be-treated water and obtain treated water, the method including: a) determining the free residual bromine concentration and the free residual chlorine concentration in the treated water; and b) controlling the added a...