(19)
(11) EP 2 798 121 A1

(12)

(43) Date of publication:
05.11.2014 Bulletin 2014/45

(21) Application number: 12808826.7

(22) Date of filing: 21.12.2012
(51) International Patent Classification (IPC): 
D21C 5/02(2006.01)
D21C 9/14(2006.01)
(86) International application number:
PCT/EP2012/076534
(87) International publication number:
WO 2013/098219 (04.07.2013 Gazette 2013/27)
(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: 28.12.2011 US 201161580931 P

(71) Applicant: Nalco Company
Naperville, IL 60563 (US)

(72) Inventors:
  • CARMICHAEL, Glenn
    Marietta, GA 30062 (US)
  • CONNELL, Daniel
    Canton, Georgia 30114 (US)
  • AUGER, Scott Barton
    Woodstock, Georgia 30189 (US)
  • COMER, Robert A.
    Atlanta, GA 30340 (US)
  • SIGMAN, Michael
    Appleton, WI 54911 (US)

(74) Representative: HGF Limited 
Saviour House 9 St. Saviourgate
York YO1 8NQ
York YO1 8NQ (GB)

   


(54) PROCESS FOR REDUCING FLUORESCENCE IN PULP