(19)
(11) EP 1 758 559 A1

(12)

(43) Date of publication:
07.03.2007 Bulletin 2007/10

(21) Application number: 05718501.9

(22) Date of filing: 19.04.2005
(51) International Patent Classification (IPC): 
A61K 9/20(2006.01)
A61K 47/14(2006.01)
A61K 47/36(2006.01)
(86) International application number:
PCT/IB2005/001063
(87) International publication number:
WO 2005/105048 (10.11.2005 Gazette 2005/45)
(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 MC NL PL PT RO SE SI SK TR

(30) Priority: 28.04.2004 EP 04010075

(71) Applicant: Pfizer Products Inc
New York, NY 10017 (US)

(72) Inventors:
  • GANZMANN, Tanja
    Ramsgate Road, Sandwich, Kent CT13 9NJ (GB)
  • KNAPP, Armin
    Ramsgate Road, Sandwich, Kent CT13 9NJ (GB)

(74) Representative: Lane, Graham Mark Hamilton et al
Pfizer Limited, European Pharma Patent Department Ramsgate Road
Sandwich, Kent CT13 9NJ
Sandwich, Kent CT13 9NJ (GB)

   


(54) PROCESS FOR THE SELECTIVE INCREASE OF A RELEASE RATE OF AN ACTIVE MATERIAL FROM A PHARMACEUTICAL COMPOSITION