(19)
(11) EP 1 364 956 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:
20.12.2006 Bulletin 2006/51

(45) Mention of the grant of the patent:
02.08.2006 Bulletin 2006/31

(21) Application number: 02253548.8

(22) Date of filing: 21.05.2002
(51) International Patent Classification (IPC): 
C07F 9/38(2006.01)
C07F 9/553(2006.01)

(54)

Solvent systems for the production of bisphosphonates

Lösungsmittelsystem zur Herstellung von Bisphosphonat

Systèmes de solvants pour la production de bisphosphonates


(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GR IE IT LI LU MC NL PT SE TR
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 28.06.2001 GB 0115824

(43) Date of publication of application:
26.11.2003 Bulletin 2003/48

(60) Divisional application:
06001361.2

(73) Proprietor: Rhodia Consumer Specialties Limited
Oldbury, West Midlands B69 4LN (GB)

(72) Inventors:
  • Cowan, Justin Mark
    Worcestershire, DY13 85P (GB)
  • Harris, Christopher John
    Great Meadow, Worcester, WR4 0DR (GB)
  • Harrison, Michael John
    Stafford, Staffordshire, ST17 4JL (GB)

(74) Representative: Kinton, Colin David 
Barker Brettell 138 Hagley Road, Edgbaston
Birmingham B16 9PW
Birmingham B16 9PW (GB)


(56) References cited: : 
WO-A-01/57052
DE-A- 3 700 772
US-A- 5 019 651
WO-A-98/34940
US-A- 4 407 761
   
       
    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).