(19)
(11) EP 1 644 500 A2

(12)

(88) Date of publication A3:
18.08.2005

(43) Date of publication:
12.04.2006 Bulletin 2006/15

(21) Application number: 04777833.7

(22) Date of filing: 09.07.2004
(51) International Patent Classification (IPC): 
C12N 15/11(1990.01)
(86) International application number:
PCT/US2004/021997
(87) International publication number:
WO 2005/007854 (27.01.2005 Gazette 2005/04)
(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: 09.07.2003 US 485667 P
23.10.2003 US 693059
24.11.2003 US 720448
14.01.2004 US 757803
16.04.2004 US 826966
24.05.2004 WO PCT/US20/04016390

(71) Applicant: Sirna Therapeutics, Inc.
Boulder, CO 80301 (US)

(72) Inventors:
  • VARGEESE, Chandra
    Broomfield, CO 80020 (US)
  • WEIMIN, Wang
    Superior, CO 80027 (US)
  • CHEN, Tongqian
    Longmont, CO 80503 (US)
  • SWEEDLER, David
    Louisville, CO 80027 (US)
  • HAEBERLI, Peter
    Berthoud, CO 80513 (US)

(74) Representative: Maschio, Antonio 
D Young & Co 120 Holborn
London EC1N 2DY
London EC1N 2DY (GB)

   


(54) POLYCATIONIC COMPOSITIONS FOR CELLULAR DELIVERY OF POLYNUCLEOTIDES