(19)
(11) EP 3 166 958 A1

(12)

(43) Date of publication:
17.05.2017 Bulletin 2017/20

(21) Application number: 15745371.3

(22) Date of filing: 09.07.2015
(51) International Patent Classification (IPC): 
C07J 13/00(2006.01)
C07J 43/00(2006.01)
(86) International application number:
PCT/CZ2015/000075
(87) International publication number:
WO 2016/004910 (14.01.2016 Gazette 2016/02)
(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:
MA

(30) Priority: 09.07.2014 CZ 20140475

(71) Applicant: Zentiva K.S.
102 37 Praha 10 (CZ)

(72) Inventors:
  • CERNA, Igor
    067 16 Vyrava (SK)
  • VLASAKOVA, Ruzena
    282 01 Cesky Brod (CZ)
  • KRULIS, Radim
    140 00 Praha 4 (CZ)

(74) Representative: Jirotkova, Ivana et al
Rott, Ruzicka & Guttmann Patent, Trademark and Law Offices Vinohradskà 37
120 00 Praha 2
120 00 Praha 2 (CZ)

   


(54) METHOD OF PREPARING ABIRATERONE ACETATE OF HIGH PURITY APPLICABLE ON INDUSTRIAL SCALE