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(11)

EP 4 580 632 A2

(12)

(88) Date of publication A3: 02.05.2024 (43) Date of publication: 09.07.2025 Bulletin 2025/28 (21) Application number: 23782320.8 (22) Date of filing: 31.08.2023

(51) International Patent Classification (IPC):  A61K 31/496(2006.01) A61K 45/06(2006.01) A61P 31/10(2006.01) A61P 11/06(2006.01) A61K 31/5517(2006.01) A61K 9/00(2006.01) A61P 11/00(2006.01) A61P 11/14(2006.01) (52) Cooperative Patent Classification (CPC): A61K 31/496; A61P 31/10; A61K 9/0075; A61K 45/06; A61K 31/5517; A61P 11/00; A61P 11/06; A61P 11/14   C-Sets: A61K 31/496, A61K 2300/00; A61K 31/5517, A61K 2300/00; (86) International application number: PCT/US2023/031675 (87) International publication number: WO 2024/049982 (07.03.2024 Gazette 2024/10)

(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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA Designated Validation States: KH MA MD TN (30) Priority: 31.08.2022 US 202263402577 P (71) Applicant: Pulmatrix Operating Company, Inc. Framingham, MA 01701 (US)	(72) Inventor: CURRAN, Aidan Bedford, MA 01730 (US) (74) Representative: Sweetinburgh, Mark Roger et al Sweetinburgh & Windsor Ltd Crawley Innovation Centre Fleming Way Crawley, West Sussex RH10 9QL Crawley, West Sussex RH10 9QL (GB)