Global Patent Index - EP 1397551 A2

EP 1397551 A2 20040317 - METHOD FOR THE PRODUCTION OF WOODPULP

Title (en)

METHOD FOR THE PRODUCTION OF WOODPULP

Title (de)

VERFAHREN ZUR HERSTELLUNG VON ZELLSTOFF

Title (fr)

PROCEDE DE FABRICATION DE CELLULOSE

Publication

EP 1397551 A2 20040317 (DE)

Application

EP 02702355 A 20020215

Priority

  • DE 10120526 A 20010426
  • EP 0201611 W 20020215

Abstract (en)

[origin: WO02088187A2] The invention relates to a method for the production of woodpulp for further use in the preparation of a fibre web, in particular a paper or cardboard web, whereby the woodpulp obtained from a woodpulp production process is firstly treated with adjuncts in a chemical precipitation reaction and the treated woodpulp subsequently dried and prepared for further use or brought into a form for dispatch.

IPC 1-7

D21C 9/00

IPC 8 full level

C08L 1/02 (2006.01); D21C 9/00 (2006.01)

CPC (source: EP US)

C08L 1/02 (2013.01 - EP US); D21C 9/004 (2013.01 - EP US)

Citation (search report)

See references of WO 02088187A2

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

DOCDB simple family (publication)

WO 02088187 A2 20021107; WO 02088187 A3 20030327; BR 0205435 A 20030506; CA 2445340 A1 20021107; DE 10120526 A1 20021031; EP 1397551 A2 20040317; US 2004084161 A1 20040506

DOCDB simple family (application)

EP 0201611 W 20020215; BR 0205435 A 20020215; CA 2445340 A 20020215; DE 10120526 A 20010426; EP 02702355 A 20020215; US 69127603 A 20031022