US Patent Issued to Dow Global Technologies on Jan. 13 for "Process for purifying organic solvents" (Chinese, Japanese Inventors)

ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,521,709, issued on Jan. 13, was assigned to Dow Global Technologies LLC (Midland, Mich.).

"Process for purifying organic solvents" was invented by Qi Jiang (Shanghai) and Kaoru Ohba (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A process for purifying (i) a hydrophilic organic solvent, (ii) a hydrolysable organic solvent, or (iii) a mixture of a hydrophilic organic solvent and a hydrolysable organic solvent by removing ionic contaminants from the hydrophilic organic solvent, from the hydrolysable organic solvent, or from the mixture of a hydrophilic and a hydrolysable organic solvent without generation of by-product impurities, the process inclu...