Global Patent Index - EP 1080270 A1

EP 1080270 A1 20010307 - A PROCESS FOR THE PRODUCTION OF PAPER

Title (en)

A PROCESS FOR THE PRODUCTION OF PAPER

Title (de)

EIN VERFAHREN ZUR HERSTELLUNG VON PAPIER

Title (fr)

PROCEDE DE PRODUCTION DE PAPIER

Publication

EP 1080270 A1 20010307 (EN)

Application

EP 99945723 A 19990408

Priority

  • EP 99945723 A 19990408
  • EP 98850061 A 19980423
  • SE 9900574 W 19990408
  • US 8278498 P 19980423

Abstract (en)

[origin: WO9954551A1] A process for the production of paper in which cellulosic fibres are treated with microparticles comprising shell-formed carbon allotrope particles, paper obtainable from this process, and a drainage or retention agent comprising at least partially hydrophilic, anionic mircroparticles comprising shell-formed carbon allotrope particles.

IPC 1-7

D21H 21/54

IPC 8 full level

D21H 21/10 (2006.01); D21H 21/54 (2006.01); D21H 17/06 (2006.01)

CPC (source: EP US)

D21H 21/10 (2013.01 - EP US); D21H 17/06 (2013.01 - EP); D21H 21/54 (2013.01 - EP)

Citation (search report)

See references of WO 9954551A1

Designated contracting state (EPC)

DE ES FI FR GB IT NL SE

DOCDB simple family (publication)

WO 9954551 A1 19991028; AU 4297699 A 19991108; DE 69921989 D1 20041223; DE 69921989 T2 20051124; EP 1080270 A1 20010307; EP 1080270 B1 20041117; ES 2229765 T3 20050416

DOCDB simple family (application)

SE 9900574 W 19990408; AU 4297699 A 19990408; DE 69921989 T 19990408; EP 99945723 A 19990408; ES 99945723 T 19990408