US Patent Issued to Kunming Qingcheng Healthcare Tech on April 21 for "Application of citrate metal salt in endodontic treatment, and formulation obtained by preparation" (Chinese Inventors)

ALEXANDRIA, Va., April 21 -- United States Patent no. 12,605,305, issued on April 21, was assigned to Kunming Qingcheng Healthcare Tech LTD. (Kunming, China).

"Application of citrate metal salt in endodontic treatment, and formulation obtained by preparation" was invented by Lei Zhang (Kunming, China), Yu Sun (Kunming, China), Kewang Lu (Kunming, China), Yang Song (Kunming, China) and Yangfangyuan Long (Kunming, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided are an application of a citrate metal salt in endodontic treatment, and a formulation obtained by preparation; said citrate metal salt is used for removing a tarnished layer, and the citrate metal salt is lithium citrate, sodium citrate, p...