US Patent Issued to Shandong Normal University on Feb. 11 for "Method for synthesizing 1,3,2-dioxathiolane 2,2-dioxide by in-situ catalytic oxidation" (Chinese Inventors)

ALEXANDRIA, Va., Feb. 12 -- United States Patent no. 12,221,429, issued on Feb. 11, was assigned to Shandong Normal University (Jinan, China).

"Method for synthesizing 1,3,2-dioxathiolane 2,2-dioxide by in-situ catalytic oxidation" was invented by Qikui Liu (Shandong, China) and Xiaomeng Zhang (Shandong, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a method for synthesizing 1,3,2-dioxathiolane 2,2-dioxide (DTD) by in-situ catalytic oxidation. A titanium silicon (TS)-1 molecular sieve is modified with a Pd salt and an Au salt to obtain an Au-Pd/TS-1 molecular sieve, which catalyzes oxygen and hydrogen to form hydrogen peroxide, and oxidizes glycol sulfite in situ in a reactor to synthesiz...