Global Patent Index - EP 1883733 A2

EP 1883733 A2 20080206 - METHOD FOR PRODUCING PAPER, PAPERBOARD AND CARDBOARD IN THE PRESENCE OF WATER-SWELLABLE POLYMERS

Title (en)

METHOD FOR PRODUCING PAPER, PAPERBOARD AND CARDBOARD IN THE PRESENCE OF WATER-SWELLABLE POLYMERS

Title (de)

VERFAHREN ZUR HERSTELLUNG VON PAPIER, PAPPE UND KARTON IN GEGENWART VON WASSERQUELLBAREN POLYMEREN

Title (fr)

PROCÉDÉ DE FABRICATION DE PAPIER, DE CARTON-PÂTE ET DE CARTON EN PRÉSENCE DE POLYMÈRES POUVANT GONFLER EN PRÉSENCE D'EAU

Publication

EP 1883733 A2 20080206 (DE)

Application

EP 06755211 A 20060516

Priority

  • EP 2006062346 W 20060516
  • DE 102005023608 A 20050518

Abstract (en)

[origin: WO2006122934A2] The invention relates to a method for producing paper, paperboard and cardboard in the presence of a water-swellable polymer by adding the latter to a fibre suspension. According to said method, the fibre suspension containing water-swellable polymers is milled.

IPC 8 full level

D21H 23/16 (2006.01); D21H 21/22 (2006.01); D21H 27/00 (2006.01); D21H 27/10 (2006.01); D21H 27/30 (2006.01)

CPC (source: EP US)

D21H 23/16 (2013.01 - EP US); D21H 21/22 (2013.01 - EP US); D21H 27/002 (2013.01 - EP US); D21H 27/10 (2013.01 - EP US); D21H 27/30 (2013.01 - EP US)

Citation (search report)

See references of WO 2006122934A2

Designated contracting state (EPC)

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

DOCDB simple family (publication)

DE 102005023608 A1 20061123; CA 2608428 A1 20061123; CN 101180436 A 20080514; EP 1883733 A2 20080206; JP 2008540866 A 20081120; US 2008190576 A1 20080814; WO 2006122934 A2 20061123; WO 2006122934 A3 20070518

DOCDB simple family (application)

DE 102005023608 A 20050518; CA 2608428 A 20060516; CN 200680017245 A 20060516; EP 06755211 A 20060516; EP 2006062346 W 20060516; JP 2008511692 A 20060516; US 91382306 A 20060516