Global Patent Index - EP 1023496 A1

EP 1023496 A1 20000802 - ADDITIVES FOR IMPROVING RESISTANCE OF PAPER IN HUMID AND DRY CONDITIONS

Title (en)

ADDITIVES FOR IMPROVING RESISTANCE OF PAPER IN HUMID AND DRY CONDITIONS

Title (de)

HILFSMITTEL ZUR VERBESSERUNG DER NASS-UND TROCKENFESTIGKEIT VON PAPIER

Title (fr)

ADDITIFS POUR AMELIORER LA RESISTANCE A L'ETAT HUMIDE ET A SEC DU PAPIER

Publication

EP 1023496 A1 20000802 (FR)

Application

EP 98949066 A 19981014

Priority

  • FR 9802210 W 19981014
  • FR 9713061 A 19971017
  • FR 9808827 A 19980709

Abstract (en)

[origin: WO9920837A1] The invention concerns a method for treating paper which consists in applying on the paper either a cationic resin, PAE or a latex containing acid functions, applied simultaneously but separately, or a previously prepared stable mixture containing PAE and a latex stabilised with a non-ionic surfactant.

IPC 1-7

D21H 21/20; D21H 17/72; C08L 33/06; C08L 79/02

IPC 8 full level

C08L 33/02 (2006.01); C08L 79/02 (2006.01); C08L 79/04 (2006.01); D21H 19/20 (2006.01); D21H 19/22 (2006.01); D21H 19/24 (2006.01); D21H 21/18 (2006.01); D21H 21/20 (2006.01); D21H 17/37 (2006.01); D21H 17/43 (2006.01); D21H 17/56 (2006.01)

CPC (source: EP KR)

C08L 79/04 (2013.01 - EP); D21H 21/18 (2013.01 - EP); D21H 21/20 (2013.01 - EP KR); D21H 17/37 (2013.01 - EP); D21H 17/43 (2013.01 - EP); D21H 17/56 (2013.01 - EP)

Citation (search report)

See references of WO 9920837A1

Designated contracting state (EPC)

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

DOCDB simple family (publication)

WO 9920837 A1 19990429; AU 9545998 A 19990510; BR 9815210 A 20001017; CA 2307286 A1 19990429; CN 1281520 A 20010124; EP 1023496 A1 20000802; JP 2001521069 A 20011106; KR 20010031354 A 20010416; NO 20002002 D0 20000417; NO 20002002 L 20000616

DOCDB simple family (application)

FR 9802210 W 19981014; AU 9545998 A 19981014; BR 9815210 A 19981014; CA 2307286 A 19981014; CN 98811896 A 19981014; EP 98949066 A 19981014; JP 2000517148 A 19981014; KR 20007004348 A 20000417; NO 20002002 A 20000417