(19)
(11) EP 1 982 017 A1

(12)

(43) Date of publication:
22.10.2008 Bulletin 2008/43

(21) Application number: 06830803.0

(22) Date of filing: 22.12.2006
(51) International Patent Classification (IPC): 
D21H 21/28(2006.01)
(86) International application number:
PCT/EP2006/070148
(87) International publication number:
WO 2007/085337 (02.08.2007 Gazette 2007/31)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR

(30) Priority: 26.01.2006 EP 06001577

(71) Applicant: Clariant International Ltd.
4132 Muttenz 1 (CH)

(72) Inventor:
  • KOHLER, Achim
    74081 Heilbronn (DE)

(74) Representative: Dünnwald, Dieter et al
Clariant International Ltd Rothausstrasse 61
4132 Muttenz 1
4132 Muttenz 1 (CH)

   


(54) PROCESS FOR PRODUCING OPTICALLY BRIGHTENED PAPER