Global Patent Index - EP 2402503 A1

EP 2402503 A1 20120104 - Process for the production of a cellulosic product

Title (en)

Process for the production of a cellulosic product

Title (de)

Prozess zur Herstellung eines Zelluloseproduktes

Title (fr)

Procédé de production d'un produit cellulosique

Publication

EP 2402503 A1 20120104 (EN)

Application

EP 10167860 A 20100630

Priority

EP 10167860 A 20100630

Abstract (en)

The present invention pertains to a process for the production of a cellulosic product which comprises (i) providing an aqueous suspension containing cellulosic fibres and, optionally, a filler; (ii) adding to the suspension a clay having 3R 1 stacking and interlayers which comprise hydroxide; and (iii) dewatering the obtained suspension. Further, it pertains to the use of a clay having 3R 1 stacking and interlayers which comprise hydroxide for removing disturbing and detrimental substances such as pitch and stickies from an aqueous cellulosic pulp suspension.

IPC 8 full level

D21H 17/68 (2006.01)

CPC (source: EP)

D21H 17/68 (2013.01)

Citation (applicant)

Citation (search report)

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR

Designated extension state (EPC)

BA ME RS

DOCDB simple family (publication)

EP 2402503 A1 20120104

DOCDB simple family (application)

EP 10167860 A 20100630