(19)
(11) EP 2 222 883 A1

(12)

(43) Date of publication:
01.09.2010 Bulletin 2010/35

(21) Application number: 08865205.2

(22) Date of filing: 10.12.2008
(51) International Patent Classification (IPC): 
C22B 11/00(2006.01)
B22F 9/24(2006.01)
C22B 5/00(2006.01)
C01G 7/00(2006.01)
(86) International application number:
PCT/EP2008/067216
(87) International publication number:
WO 2009/080522 (02.07.2009 Gazette 2009/27)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR
Designated Extension States:
AL BA MK RS

(30) Priority: 19.12.2007 EP 07150120

(71) Applicant: Universität Potsdam
14469 Potsdam (DE)

(72) Inventors:
  • TAUBERT, Andreas
    14471 Potsdam (DE)
  • LI, Zhonghao
    14476 Golm (DE)

(74) Representative: Gulde Hengelhaupt Ziebig & Schneider 
Patentanwälte - Rechtsanwälte Wallstrasse 58/59
10179 Berlin
10179 Berlin (DE)

   


(54) SYNTHESIS OF AU, PD, PT OR AG NANO- OR MICROCRYSTALS VIA REDUCTION OF METAL SALTS BY CELLULOSE IN THE IONIC LIQUID 1-BUTYL-3-METHYL IMIDAZOLIUM CHLORIDE