(19)
(11) EP 1 404 798 A1

(12)

(43) Date of publication:
07.04.2004 Bulletin 2004/15

(21) Application number: 02746790.1

(22) Date of filing: 01.07.2002
(51) International Patent Classification (IPC)7C11D 7/42, C11D 3/386
(86) International application number:
PCT/US2002/020833
(87) International publication number:
WO 2003/002705 (09.01.2003 Gazette 2003/02)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 29.06.2001 US 302418 P

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

(72) Inventors:
  • XU, Hui
    Wake Forest, NC 27587 (US)
  • LIU, Jiyin
    Raleigh, NC 27615 (US)
  • OTTO, Eric
    Louisburg, NC 27549 (US)
  • CONDON, Brian
    Wake Forest, NC 27587 (US)

(74) Representative: Bendiksen, Henrik 
Novozymes A/S,Patents,Krogshoejvej 36
2880 Bagsvaerd
2880 Bagsvaerd (DK)

   


(54) PREPARATION OF CELLULOSIC MATERIALS