(19)
(11) EP 4 142 718 A1

(12)

(43) Date of publication:
08.03.2023 Bulletin 2023/10

(21) Application number: 21795764.6

(22) Date of filing: 28.04.2021
(51) International Patent Classification (IPC): 
A61K 31/437(2006.01)
A61K 31/4439(2006.01)
 A61K 31/44(2006.01)
(52) Cooperative Patent Classification (CPC):
A61K 31/549; A61K 31/192; A61K 47/38; A61K 9/2054
(86) International application number:
PCT/US2021/029581
(87) International publication number:
WO 2021/222369 (04.11.2021 Gazette 2021/44)
(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: 01.05.2020 US 202063019215 P

(71) Applicant: Hercules LLC
Wilmington, DE 19808 (US)

(72) Inventors:
  • XU, Daiqiang
    Hockessin, Delaware 19707 (US)
  • CHAN, Anita
    Wilmington, Delaware 19803 (US)
  • BATRA, Amol
    Wilmington, Delaware 19807 (US)
  • CHEN, Ningyi Nick
    Hockessin, Delaware 19707 (US)

(74) Representative: Kutzenberger Wolff & Partner 
Waidmarkt 11
50676 Köln
50676 Köln (DE)

   


(54) MODIFIED RELEASE PHARMACEUTICAL FORMULATION COMPRISING HYDROXYPROPYL CELLULOSE