(19)
(11) EP 1 663 984 A2

(12)

(88) Date of publication A3:
17.03.2005

(43) Date of publication:
07.06.2006 Bulletin 2006/23

(21) Application number: 04744090.4

(22) Date of filing: 30.07.2004
(51) International Patent Classification (IPC): 
C07D 223/00(1985.01)
(86) International application number:
PCT/IB2004/002437
(87) International publication number:
WO 2005/009972 (03.02.2005 Gazette 2005/05)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR

(30) Priority: 31.07.2003 IN DE09502003

(71) Applicant: Ranbaxy Laboratories Limited
Gurgaon, Haryana 122001 (IN)

(72) Inventors:
  • KUMAR, Yatendra
    Gurgaon, Haryana 122001 (IN)
  • SATHYANARAYANA, Swargam
    Karim Nagar, Andhra Pradesh 505002 (IN)
  • DE, Shantanu
    New Delhi 110070 (IN)
  • RAFEEQ, Mohammad
    Philibhit, Uttar Pradesh 262121 (IN)

(74) Representative: Gilholm, Stephen Philip 
Ranbaxy Laboratories Limited Intellectual Property Department 20 Balderton Street
London W1K 6TL
London W1K 6TL (GB)

   


(54) PROCESS FOR PREPARATION OF BENAZEPRIL