(19)
(11) EP 2 480 500 A1

(12)

(43) Date of publication:
01.08.2012 Bulletin 2012/31

(21) Application number: 10745643.6

(22) Date of filing: 26.08.2010
(51) International Patent Classification (IPC): 
C01G 9/03(2006.01)
C09C 1/00(2006.01)
C09C 1/30(2006.01)
C09C 3/08(2006.01)
B01J 8/00(2006.01)
 C01G 23/07(2006.01)
C09C 1/04(2006.01)
C09C 1/36(2006.01)
C09C 3/12(2006.01)
(86) International application number:
PCT/EP2010/062440
(87) International publication number:
WO 2011/032814 (24.03.2011 Gazette 2011/12)
(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 SE SI SK SM TR

(30) Priority: 21.09.2009 DE 102009029640

(71) Applicant: Evonik Degussa GmbH
45128 Essen (DE)

(72) Inventors:
  • KATUSIC, Stipan
    65812 Bad Soden (DE)
  • MEYER, Jürgen
    63811 Stockstadt (DE)
  • KRESS, Peter
    63791 Karlstein (DE)
  • WIEGAND, Armin
    63538 Großkrotzenburg (DE)

   


(54) PROCESS FOR SURFACE MODIFICATION OF METAL OXIDE PARTICLES