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EP 3 836 894 A1

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(43) Date of publication: 23.06.2021 Bulletin 2021/25 (21) Application number: 20731733.0 (22) Date of filing: 21.05.2020

(51) International Patent Classification (IPC):  A61K 8/58(2006.01) A61Q 5/00(2006.01) A61Q 19/00(2006.01) C07C 43/305(2006.01) A61Q 1/00(2006.01) A61Q 17/04(2006.01) A61P 17/00(2006.01) C07C 39/08(2006.01) (86) International application number: PCT/US2020/033918 (87) International publication number: WO 2021/080648 (29.04.2021 Gazette 2021/17)

(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: 25.10.2019 US 201962925945 P (71) Applicant: Gelest Technologies, Inc. Morrisville, PA 19067 (US)

(72) Inventors: ARKLES, Barry, C. Pipersville Pennsylvania 18947 (US) GOFF, Jonathan, D. Philadelphia Pennsylvania 19147 (US) MIN, Taewoo. Langhome Pennsylvania 19047 (US) PAN, Youlin. Langhome Pennsylvania 19047 (US) ABEL-ROBERMAN, Tatyana. Bryn Athyn Pennsylvania 19009 (US) (74) Representative: Lemcke, Brommer & Partner Patentanwälte Partnerschaft mbB  Siegfried-Kühn-Straße 4 76135 Karlsruhe 76135 Karlsruhe (DE)