US Patent Issued to SICHUAN GOOD DOCTOR PANXI PHARMACEUTICAL on Feb. 24 for "American cockroach extract, preparation thereof, preparation methods therefor and applications thereof" (Chinese Inventor)

ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,558,383, issued on Feb. 24, was assigned to SICHUAN GOOD DOCTOR PANXI PHARMACEUTICAL Co. LTD (Xichang, China).

"American cockroach extract, preparation thereof, preparation methods therefor and applications thereof" was invented by Yuefei Geng (Sichuan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present application relates to the technical field of medicine, and in particular to Periplaneta americana L. extract, a preparation thereof, a preparation method and application thereof. The method for preparing Periplaneta americana L. extract includes the steps: 1) soaking fresh Periplaneta americana L. extract with ethanol; 2) reflux extracting...