(19)
(11) EP 1 994 219 A1

(12)

(43) Date of publication:
26.11.2008 Bulletin 2008/48

(21) Application number: 07717616.2

(22) Date of filing: 14.02.2007
(51) International Patent Classification (IPC): 
D21C 9/08(2006.01)
D21H 21/02(2006.01)
(86) International application number:
PCT/US2007/062136
(87) International publication number:
WO 2007/095575 (23.08.2007 Gazette 2007/34)
(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: 14.02.2006 US 773242 P

(71) Applicant: Novozymes North America, Inc.
Franklinton, North Carolina 27525 (US)

(72) Inventors:
  • XU, Hui
    Wake Forest, NC 27587 (US)
  • BLOOMFIELD, Kimberly
    Greenville, NC 27834 (US)
  • MCCLOSKEY, Stefanie
    Raleigh, NC 27603 (US)
  • BORCH, Kim
    Davis, CA 95616 (US)

(74) Representative: Kofoed, Gertrud Sonne 
Novozymes A/S, Patents, Krogshoejvej 36
2880 Bagsvaerd
2880 Bagsvaerd (DK)

   


(54) CHEMICAL PULP TREATMENT COMPOSITIONS AND METHODS