RU 2803338. Tyumina E.A., Polygalov M.A., Ivshina I.B. Biocatalyst for biodegradation of ketoprofen. Effective date for property rights: 24.03.2023. Date of filing: 24.03.2023. Registered with the Public Register for Inventions 12.09.2023. Date of publication: 12.09.2023. Bull. 126.