(19)

(11)

EP 4 247 537 A1

(12)

(43) Date of publication: 27.09.2023 Bulletin 2023/39 (21) Application number: 21895604.3 (22) Date of filing: 18.11.2021

(51) International Patent Classification (IPC):  B01J 13/14(2006.01) C08J 3/07(2006.01) C07K 2/00(2006.01) A61K 8/72(2006.01) C11B 9/00(2006.01) B01J 2/28(2006.01) C08J 3/09(2006.01) A61K 8/11(2006.01) A61K 8/87(2006.01) (52) Cooperative Patent Classification (CPC): A61K 8/11; C08J 3/07; B01J 13/16; A61K 8/90; A61K 2800/412; A61Q 19/00; A61Q 13/00; A61K 2800/10; C08J 2399/00; C08J 2375/00; C08J 2475/00; C08J 2499/00 (86) International application number: PCT/US2021/059932 (87) International publication number: WO 2022/109163 (27.05.2022 Gazette 2022/21)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 20.11.2020 US 202063116443 P (71) Applicant: Encapsys, LLC Appleton, WI 54915 (US)	(72) Inventor: NIANXI, Yan Appleton, WI 54911D (US) (74) Representative: Carpmaels & Ransford LLP  One Southampton Row London WC1B 5HA London WC1B 5HA (GB)