(19)
(11) EP 2 066 638 B8

(12) CORRECTED EUROPEAN PATENT SPECIFICATION
Note: Bibliography reflects the latest situation

(15) Correction information:
Corrected version no 1 (W1 B1)

(48) Corrigendum issued on:
12.10.2011 Bulletin 2011/41

(45) Mention of the grant of the patent:
23.02.2011 Bulletin 2011/08

(21) Application number: 07788278.5

(22) Date of filing: 07.08.2007
(51) International Patent Classification (IPC): 
C07D 215/18(2006.01)
 A61K 31/4704(2006.01)
(86) International application number:
PCT/EP2007/058176
(87) International publication number:
WO 2008/017667 (14.02.2008 Gazette 2008/07)

(54)

PROCESS FOR THE PURIFICATION OF MONTELUKAST

VERFAHREN ZUR AUFREINIGUNG VON MONTELUKAST

PROCÉDÉ DE PURIFICATION DU MONTÉLUKAST

(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR
Designated Extension States:
HR RS

(30) Priority: 09.08.2006 EP 06118689
09.08.2006 US 836873 P

(43) Date of publication of application:
10.06.2009 Bulletin 2009/24

(73) Proprietor: ESTEVE QUIMICA, S.A.
08024 Barcelona (ES)

(72) Inventors:
  • GASANZ GUILLEN, Yolanda
    E-08024 Barcelona (ES)
  • MONSALVATJE LLAGOSTERA, Montserrat
    E-08024 Barcelona (ES)
  • TALAVERA ESCASANY, Pedro
    E-08024 Barcelona (ES)

(74) Representative: ZBM Patents 
Zea, Barlocci & Markvardsen Plaza Catalunya, 1
08002 Barcelona
08002 Barcelona (ES)


(56) References cited: : 
WO-A-2006/058545
 WO-A2-2006/064269
   
       
    Note: Within nine months from the publication of the mention of the grant of the European patent, any person may give notice to the European Patent Office of opposition to the European patent granted. Notice of opposition shall be filed in a written reasoned statement. It shall not be deemed to have been filed until the opposition fee has been paid. (Art. 99(1) European Patent Convention).