(19)
(11) EP 1 414 796 A1

(12)

(43) Date of publication:
06.05.2004 Bulletin 2004/19

(21) Application number: 02724877.2

(22) Date of filing: 07.01.2002
(51) International Patent Classification (IPC)7C07D 207/34
(86) International application number:
PCT/US2002/000431
(87) International publication number:
WO 2003/011826 (13.02.2003 Gazette 2003/07)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 30.07.2001 IN MA00000620

(71) Applicant: Dr. Reddy's Laboratories Ltd.
Hyderabad 500 016 (IN)

(72) Inventors:
  • REDDY, M. Satyanarayana
    Hyderabad-38,Erragadda (IN)
  • NAGARAJU, Chakilam
    Secunderabad 500 061 (IN)
  • SRINIVASULU, Gudipati
    Hyderabad 500 07 (IN)
  • SINIVAS, Katakam
    Malkajgiri,Secunderabad 500 047 (IN)
  • REDDY, Sagyam Rajeswar
    Balaginager,Mahaboob Nagar (IN)

(74) Representative: Ebner von Eschenbach, Jennifer et al
Ladas & Parry,Dachauerstrasse 37
80335 München
80335 München (DE)

   


(54) CRYSTALLINE FORMS VI AND VII OF ATORVASTATIN CALCIUM