US Patent Issued to Dow Global Technologies on March 24 for "Purification of amines by adsorption using a super adsorbent" (Texas, Michigan, Georgia Inventors)

ALEXANDRIA, Va., March 24 -- United States Patent no. 12,582,964, issued on March 24, was assigned to Dow Global Technologies LLC (Midland, Mich.).

"Purification of amines by adsorption using a super adsorbent" was invented by Yujun Liu (Pearland, Texas), Xue Chen (Manvel, Texas), Stephen W. King (Braselton, Ga.), Towhid Hasan (Midland, Mich.), Jerrod Ruddick (Pearland, Texas), James York (Fulshear, Texas) and Amarnath Singh (Pearland, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention describes a method to remove metals present in a mixture comprising one or more organic amines comprising the step of contacting the mixture with a silica-polyethyleneimine adsorbent."

The patent was f...