Global Patent Index - EP 1080262 A1

EP 1080262 A1 2001-03-07 - A PROCESS FOR REMOVING CONTAMINANTS FROM WASTE PAPER

Title (en)

A PROCESS FOR REMOVING CONTAMINANTS FROM WASTE PAPER

Title (de)

VERFAHREN ZUR ENTFERNUNG VON VERUNREINIGUNGEN AUS ALTPAPIER

Title (fr)

PROCEDE POUR ELIMINER LES IMPURETES CONTENUES DANS LES VIEUX PAPIERS

Publication

EP 1080262 A1 (EN)

Application

EP 99912153 A

Priority

  • EP 99912153 A
  • EP 98200944 A
  • NL 9900163 W

Abstract (en)

[origin: WO9949127A1] The invention relates to a process for removing contaminants from waste paper comprising a) leading an inert gas through an aqueous pulp, which pulp comprises waste paper fibers and contaminants, to produce a foam comprising at least part of the contaminants, which foam forms a layer on top of the pulp, and b) removing foam. The invention further relates to a device suitable for carrying out said process.

IPC 1-7 (main, further and additional classification)

D21C 5/02; B03D 1/14; D21B 1/32

IPC 8 full level (invention and additional information)

B03D 1/14 (2006.01); D21B 1/32 (2006.01); D21C 5/02 (2006.01)

CPC (invention and additional information)

B03D 1/082 (2013.01); B03D 1/1431 (2013.01); B03D 1/1493 (2013.01); B03D 1/242 (2013.01); D21C 5/02 (2013.01); B03D 1/1412 (2013.01); B03D 1/1475 (2013.01); Y02W 30/648 (2015.05)

Citation (search report)

See references of WO 9949127A1

Designated contracting state (EPC)

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

EPO simple patent family

WO 9949127 A1 19990930; AU 3057999 A 19991018; EP 1080262 A1 20010307

INPADOC legal status


2003-09-03 [18D] DEEMED TO BE WITHDRAWN

- Effective date: 20030304

2002-12-11 [17Q] FIRST EXAMINATION REPORT

- Effective date: 20021023

2001-03-07 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20000922

2001-03-07 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE