(19)

(11)

EP 3 801 552 A1

(12)

(43) Date of publication: 14.04.2021 Bulletin 2021/15 (21) Application number: 19815062.5 (22) Date of filing: 07.06.2019

(51) International Patent Classification (IPC):  A61K 31/557(2006.01) A61K 9/48(2006.01) A61K 9/00(2006.01) (86) International application number: PCT/US2019/036095 (87) International publication number: WO 2019/237028 (12.12.2019 Gazette 2019/50)

(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: 07.06.2018 US 201862682109 P (71) Applicant: MannKind Corporation Westlake Village, CA 91362 (US)	(72) Inventors: GUARNERI, Joseph J. Stamford, CT 06905 (US) AMIN, Nikhil Chappaqua, NY 10514 (US) GRANT, Marshall L. South Newtown, CT 06070 (US) FREEMAN, John J. New Fairfield, CT 06812 (US) KRAFT, Kelly S. Poughquag, NY 12570 (US) (74) Representative: K&L Gates LLP  Markgrafenstrasse 42 10117 Berlin 10117 Berlin (DE)