Global Patent Index - EP 0948677 B1

EP 0948677 B1 20000830 - METHOD FOR PRODUCING PAPER

Title (en)

METHOD FOR PRODUCING PAPER

Title (de)

VERFAHREN ZUR HERSTELLUNG VON PAPIER

Title (fr)

PROCEDE DE PRODUCTION DE PAPIER

Publication

EP 0948677 B1 20000830 (DE)

Application

EP 97952902 A 19971209

Priority

  • DE 19654390 A 19961227
  • EP 9706857 W 19971209

Abstract (en)

[origin: US6083348A] PCT No. PCT/EP97/06857 Sec. 371 Date Jan. 27, 1999 Sec. 102(e) Date Jan. 27, 1999 PCT Filed Dec. 9, 1997 PCT Pub. No. WO98/29603 PCT Pub. Date Jul. 9, 1998Paper is produced by draining a paper stock containing process chemicals on a paper machine, a main stream of the paper stock and a dilution stream which consists of white water, contains at least 5% by weight of the process chemicals and amounts to 5-35% by volume of the total head box feed being fed via a head box to the paper machine wire. The papers thus produced have an excellent formation profile and an outstanding ash distribution.

IPC 1-7

D21H 23/04

IPC 8 full level

D21F 1/08 (2006.01); D21H 23/04 (2006.01); D21H 23/24 (2006.01); D21H 17/37 (2006.01); D21H 17/54 (2006.01); D21H 21/10 (2006.01)

CPC (source: EP US)

D21F 1/08 (2013.01 - EP US); D21H 23/24 (2013.01 - EP US); D21H 17/375 (2013.01 - EP US); D21H 17/54 (2013.01 - EP US); D21H 21/10 (2013.01 - EP US)

Designated contracting state (EPC)

AT CH DE ES FI FR GB IT LI NL PT SE

DOCDB simple family (publication)

US 6083348 A 20000704; AT E195985 T1 20000915; CA 2256431 A1 19980709; CA 2256431 C 20051108; DE 19654390 A1 19980702; DE 59702299 D1 20001005; EP 0948677 A1 19991013; EP 0948677 B1 20000830; ES 2151296 T3 20001216; JP 2001508137 A 20010619; PT 948677 E 20010131; WO 9829603 A1 19980709

DOCDB simple family (application)

US 14758299 A 19990127; AT 97952902 T 19971209; CA 2256431 A 19971209; DE 19654390 A 19961227; DE 59702299 T 19971209; EP 9706857 W 19971209; EP 97952902 A 19971209; ES 97952902 T 19971209; JP 52957198 A 19971209; PT 97952902 T 19971209