Global patent index - EP 0882836 A3

EP 0882836 A3 2000-11-22 - Process for crosslinking cellulose containing fibrous materials

Title (en)

Process for crosslinking cellulose containing fibrous materials

Title (de)

Verfahren zum Vernetzen von cellulosehaltigen Fasermaterialien

Title (fr)

Procédé de réticulation de matériaux fibreux contenant de la cellulose

Publication

EP 0882836 A3 (DE)

Application

EP 98810490 A

Priority

CH 133797 A

Abstract (en)

[origin: EP0882836A2] Method of crosslinking fibrous cellulosic materials comprises treating natural or regenerated cellulose fibres with reactive aliphatic or (hetero)aromatic compound(s) of formula A-ÄRÜn (I). In (I), A = a colourless aliphatic or (hetero)aromatic group; R = a fibre-reactive group; n = 1, 2, 3 or 4; ÄRÜn contains NOTLESS 2 fibre-reactive groups. Also claimed are (a) the treated material; and (b) aqueous solutions or dispersions containing compound(s) (I).

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

D06M 13/35; D06M 13/352; D06M 13/355; D06M 13/358; D06P 1/642; D06P 3/66

IPC 8 full level (invention and additional information)

D06M 13/02 (2006.01); D06M 13/322 (2006.01); D06M 13/325 (2006.01); D06M 13/35 (2006.01); D06M 13/352 (2006.01); D06M 13/355 (2006.01); D06M 13/358 (2006.01); D06P 1/642 (2006.01); D06M 101/00 (2006.01); D06M 101/02 (2006.01); D06M 101/06 (2006.01); D06P 3/66 (2006.01)

CPC (invention and additional information)

D06M 13/35 (2013.01); D06M 13/352 (2013.01); D06M 13/355 (2013.01); D06M 13/358 (2013.01); D06P 1/6426 (2013.01); D06M 2101/06 (2013.01); D06P 3/66 (2013.01)

Citation (search report)

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

EP 0882836 A2 19981209; EP 0882836 A3 20001122; BR 9801749 A 20000425; CN 1210918 A 19990317; JP H1112928 A 19990119; TR 9801002 A2 19991021; TR 9801002 A3 19991021; US 6036731 A 20000314

INPADOC legal status

2003-06-11 [18D] DEEMED TO BE WITHDRAWN

- Ref Legal Event Code: 18D

- Effective date: 20021203

2001-08-08 [AKX] PAYMENT OF DESIGNATION FEES

- Ref Legal Event Code: AKX

- Free Format Text: AT CH DE ES FR GB IT LI PT

2000-11-22 [AK] DESIGNATED CONTRACTING STATES:

- Ref Legal Event Code: AK

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

2000-11-22 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO

- Ref Legal Event Code: AX

- Free Format Text: AL;LT;LV;MK;RO;SI

2000-11-22 [RIC1] CLASSIFICATION (CORRECTION)

- Ref Legal Event Code: RIC1

- Free Format Text: 7D 06M 13/35 A, 7D 06P 1/642 B, 7D 06P 3/66 B, 7D 06M 13/358 B, 7D 06M 13/352 B, 7D 06M 13/355 B

1999-07-14 [17P] REQUEST FOR EXAMINATION FILED

- Ref Legal Event Code: 17P

- Effective date: 19990511

1998-12-09 [AK] DESIGNATED CONTRACTING STATES:

- Ref Legal Event Code: AK

- Designated State(s): AT CH DE ES FR GB IT LI PT

1998-12-09 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO

- Ref Legal Event Code: AX

- Free Format Text: AL;LT;LV;MK;RO;SI