US Patent Issued to Nomura Micro Science on April 21 for "Production method and production device for water for pure water, and production method and production system for pure water" (Japanese Inventors)

ALEXANDRIA, Va., April 21 -- United States Patent no. 12,606,475, issued on April 21, was assigned to Nomura Micro Science Co. Ltd. (Atsugi, Japan).

"Production method and production device for water for pure water, and production method and production system for pure water" was invented by Masamitsu Iiyama (Atsugi, Japan), Hiroki Miyazawa (Atsugi, Japan) and Yoshihiro Akimoto (Atsugi, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A production method for water for pure water includes adding polyaluminum chloride to raw water to produce first treated water, and filtering the first treated water in two or more stages including filtering with a filtration membrane device in a preceding stage to produce f...