ALEXANDRIA, Va., July 16 -- United States Patent no. 12,359,031, issued on July 15.
"Acrylonitrile-based cation exchangers" was invented by Aurelia Reckziegel (Dormagen, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to acrylonitrile-based cation exchangers, to a process for the production thereof and to the use thereof for decationization and/or softening of aqueous or organic solutions."
The patent was filed on Jan. 12, 2022, under Application No. 17/573,682.
*For further information, including images, charts and tables, please visit: http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=HITOFF&p=1&u=%2Fnetahtml%2FPTO%2Fsearch-bool.html&r=1&f=G&l=50&co1=AND&d=PTXT&s1=12...