(19)
(11) EP 2 547 703 A1

(12)

(43) Date of publication:
23.01.2013 Bulletin 2013/04

(21) Application number: 11706846.0

(22) Date of filing: 09.03.2011
(51) International Patent Classification (IPC): 
C08F 2/34(2006.01)
C08F 2/16(2006.01)
 C08F 2/10(2006.01)
A61L 15/60(2006.01)
(86) International application number:
PCT/EP2011/053498
(87) International publication number:
WO 2011/113728 (22.09.2011 Gazette 2011/38)
(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

(30) Priority: 24.03.2010 EP 10157563
15.03.2010 EP 10156483

(71) Applicant: BASF SE
67056 Ludwigshafen (DE)

(72) Inventors:
  • HERFERT, Norbert
    63674 Altenstadt (DE)
  • DANIEL, Thomas
    67165 Waldsee (DE)
  • DOBRAWA, Rainer
    70469 Stuttgart (DE)

   


(54) A PROCESS FOR PRODUCING WATER-ABSORBENT POLYMER PARTICLES BY POLYMERIZING DROPLETS OF A MONOMER SOLUTION