(19)
(11) EP 2 822 535 A1

(12)

(43) Date of publication:
14.01.2015 Bulletin 2015/03

(21) Application number: 13713600.8

(22) Date of filing: 06.03.2013
(51) International Patent Classification (IPC): 
A61K 9/00(2006.01)
A61K 31/485(2006.01)
(86) International application number:
PCT/US2013/029328
(87) International publication number:
WO 2013/134362 (12.09.2013 Gazette 2013/37)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME

(30) Priority: 07.03.2012 US 201261607774 P

(71) Applicant: Mallinckrodt LLC
Hazelwood, MO 63042 (US)

(72) Inventors:
  • FOSTER, John, J.
    St. Paul, Minnesota 55101 (US)
  • PRENTICE, Thomas, R.
    St. Paul, Minnesota 55101 (US)

(74) Representative: Jones, Nicholas Andrew et al
Withers & Rogers LLP 4 More London Riverside
London, SE1 2AU
London, SE1 2AU (GB)

   


(54) IMPROVED STABILITY OF HYDROMORPHONE HYDROCHLORIDE SOLUTIONS