Global Patent Index - EP 1315865 A1

EP 1315865 A1 2003-06-04 - METHOD FOR ADDING PIGMENT TO PAPER

Title (en)

METHOD FOR ADDING PIGMENT TO PAPER

Title (de)

VERFAHREN ZUR ADDITION EINES PIGMENTS AN PAPIER

Title (fr)

PROCEDE D'ADDITION DE PIGMENT A DU PAPIER

Publication

EP 1315865 A1 (EN)

Application

EP 01958129 A

Priority

  • FI 0100706 W
  • FI 20001806 A

Abstract (en)

[origin: WO0214603A1] In the method for adding pigment to paper, pigment raw material is fed in a soluble state into or towards the moving paper web, which is at least partly formed, and after the feeding, the raw material is brought into conditions through which the pigment is caused to precipitate. The pigment to be precipitated is at least one of the following: gypsum, aluminium hydroxide or calcium carbonate.

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

D21H 23/22; D21H 19/36

IPC 8 full level (invention and additional information)

D21H 17/70 (2006.01); D21H 19/36 (2006.01); D21H 23/22 (2006.01); D21H 17/67 (2006.01)

CPC (invention and additional information)

D21H 17/70 (2013.01); D21H 19/36 (2013.01); D21H 23/22 (2013.01); D21H 17/675 (2013.01)

Citation (search report)

See references of WO 0214603A1

Designated contracting state (EPC)

DE FR GB

EPO simple patent family

WO 0214603 A1 20020221; AU 7986701 A 20020225; EP 1315865 A1 20030604; FI 109214 B 20020614; FI 20001806 A0 20000815; FI 20001806 A 20020216

INPADOC legal status


2010-05-26 [18D] APPLICATION DEEMED TO BE WITHDRAWN

- Effective date: 20091128

2008-07-02 [17Q] FIRST EXAMINATION REPORT

- Effective date: 20080529

2004-05-26 [RBV] DESIGNATED CONTRACTING STATES (CORRECTION)

- Designated State(s): DE FR GB

2003-06-04 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20030205

2003-06-04 [AK] DESIGNATED CONTRACTING STATES:

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

2003-06-04 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO:

- Countries: AL LT LV MK RO SI