MUMBAI, India, Nov. 21 -- Intellectual Property India has published a patent application (202517099271 A) filed by Daewoong Co. Ltd., Gyeonggi, Republic of Korea, on Oct. 14, for 'improved method of purifying botulinum toxin using multimodal chromatography.'
Inventor(s) include So, Yong In; Lee, Min A; Kim, Sung Soo; Jeon, Sang Eun; Park, Ji Seong; Choo, Seung Jung; Kim, Se Mi; Kang, Yu Jin; and Kim, Kyoung Yun.
The application for the patent was published on Nov. 21, under issue no. 47/2025.
According to the abstract released by the Intellectual Property India: "The present invention relates to a method of purifying botulinum toxin, comprising the steps of: purifying the toxin by using multimode chromatography; and purifying the toxin by using cation exchange chromatography. When the botulinum toxin is purified and prepared by the purification method according to the present invention, botulinum toxin of a high purity of 99% or more can be purified in a high yield, and thus the present invention is useful for the production of botulinum toxin."
The patent application was internationally filed on Mar. 15, 2024, under International application No.PCT/KR2024/003283.
Disclaimer: Curated by HT Syndication.
