(19)
(11) EP 1 244 840 A1

(12)

(43) Date of publication:
02.10.2002 Bulletin 2002/40

(21) Application number: 00938089.0

(22) Date of filing: 02.06.2000
(51) International Patent Classification (IPC)7D21C 9/147
(86) International application number:
PCT/US0015/263
(87) International publication number:
WO 0007/5420 (14.12.2000 Gazette 2000/50)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

(30) Priority: 08.06.1999 US 138043 P
22.02.2000 US 510140

(71) Applicant: Eastern Pulp and Paper Corporation
Amherst, MA 01002 (US)

(72) Inventors:
  • VALLANCE, William, D.
    Brewer, ME 04412 (US)
  • BARDE, D., K.
    Amherst, MA 01002 (US)

(74) Representative: Towler, Philip Dean 
Frank B. Dehn & Co.,European Patent Attorneys,179 Queen Victoria Street
London EC4V 4EL
London EC4V 4EL (GB)

   


(54) BLEACHING PULP WITH HIGH-PRESSURE O 2?