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(11)

EP 3 745 998 A1

(12)

(43) Date of publication: 09.12.2020 Bulletin 2020/50 (21) Application number: 18903224.6 (22) Date of filing: 31.01.2018

(51) International Patent Classification (IPC):  A61F 2/14(2006.01) C08F 20/34(2006.01) C08F 20/10(2006.01) (86) International application number: PCT/US2018/016257 (87) International publication number: WO 2019/152023 (08.08.2019 Gazette 2019/32)

(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: MA MD TN (71) Applicant: KeraMed, Inc. Irvine, CA 92606 (US)	(72) Inventor: SHIUEY, Yichieh Orange, CA 95129 (US) (74) Representative: Clark, Jane Anne et al Mathys & Squire LLP The Shard 32 London Bridge Street London SE1 9SG London SE1 9SG (GB)