(19)
(11) EP 4 486 729 A1

(12)

(43) Date of publication:
08.01.2025 Bulletin 2025/02

(21) Application number: 23706638.6

(22) Date of filing: 27.02.2023
(51) International Patent Classification (IPC): 
C07D 285/28(2006.01)
(52) Cooperative Patent Classification (CPC):
C07D 285/28
(86) International application number:
PCT/EP2023/054878
(87) International publication number:
WO 2023/161490 (31.08.2023 Gazette 2023/35)
(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: 28.02.2022 EP 22461507

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

(72) Inventors:
  • PUNDA, Pawel
    83-200 Okole (PL)
  • HALUSZCZUK, Adam Andrzej
    80-058 Gdansk (PL)
  • JASINSKA, Agnieszka Paulina
    80-169 Gdansk (PL)
  • KUROWSKI, Mariusz
    83-200 Starogard Gdanski (PL)

(74) Representative: Rechnio, Justyna Tatiana 
Zaklady Farmaceutyczne Polpharma S.A. Ul. Pelplinska 19
83-200 Starogard Gdanski
83-200 Starogard Gdanski (PL)

   


(54) A PROCESS FOR MANUFACTURING HIGH PURITY HYDROCHLOROTHIAZIDE