(19)
(11) EP 4 452 973 A1

(12)

(43) Date of publication:
30.10.2024 Bulletin 2024/44

(21) Application number: 22844126.7

(22) Date of filing: 23.12.2022
(51) International Patent Classification (IPC): 
C07D 413/14(2006.01)
(52) Cooperative Patent Classification (CPC):
C07D 413/14
(86) International application number:
PCT/EP2022/087706
(87) International publication number:
WO 2023/118560 (29.06.2023 Gazette 2023/26)
(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: 23.12.2021 EP 21217321

(71) Applicant: Zaklady Farmaceutyczne Polpharma S.A.
83-200 Starogard Gdanski (PL)

(72) Inventors:
  • SZULC, Marcin
    83-200 Starogard Gdanski (PL)
  • SZRAMKA, Roman
    83-200 Starogard Gdanski (PL)

(74) Representative: Elkington and Fife LLP 
Prospect House 8 Pembroke Road
Sevenoaks, Kent TN13 1XR
Sevenoaks, Kent TN13 1XR (GB)

   


(54) CRYSTALLISATION PROCESS FOR RIVAROXABAN