Global Patent Index - EP 1399623 B1

EP 1399623 B1 20150107 - WET-STRENGTH FINISHING AGENTS FOR PAPER

Title (en)

WET-STRENGTH FINISHING AGENTS FOR PAPER

Title (de)

NASSFESTAUSRÜSTUNGSMITTEL FÜR PAPIER

Title (fr)

APPRETS POUR PAPIER CONFERANT UNE RESISTANCE A L'HUMIDITE

Publication

EP 1399623 B1 20150107 (DE)

Application

EP 02778852 A 20020529

Priority

  • DE 10127829 A 20010611
  • EP 0205900 W 20020529

Abstract (en)

[origin: WO02101144A1] The invention relates to wet-strength finishing agents for paper, containing a) between 1 and 99.9 wt. % of a water-soluble polamidoamine which is cross-linked with an epihalohydrin, and b) between 0.1 and 20 wt. % of at least one other cationic polymer. The invention also relates to a method for producing paper having increased wet-strength, and to the use of said wet-strength finishing agents as additives to the paper stock during the production of paper.

IPC 8 full level

D21H 17/52 (2006.01); D21H 21/20 (2006.01); D21H 17/00 (2006.01); D21H 17/54 (2006.01); D21H 17/56 (2006.01); D21H 23/14 (2006.01)

CPC (source: EP)

D21H 21/20 (2013.01); D21H 17/54 (2013.01); D21H 17/56 (2013.01); D21H 17/72 (2013.01)

Designated contracting state (EPC)

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

DOCDB simple family (publication)

WO 02101144 A1 20021219; CA 2447136 A1 20021219; CN 100436707 C 20081126; CN 1531613 A 20040922; EP 1399623 A1 20040324; EP 1399623 B1 20150107; JP 2004529279 A 20040924; US 2004149411 A1 20040805; US 2009008051 A1 20090108; US 8025767 B2 20110927

DOCDB simple family (application)

EP 0205900 W 20020529; CA 2447136 A 20020529; CN 02811755 A 20020529; EP 02778852 A 20020529; JP 2003503885 A 20020529; US 16824608 A 20080707; US 47951503 A 20031210