Global Patent Index - EP 0671655 B1

EP 0671655 B1 20000621 - Improved hardening of hydrophylic colloids with imidazolium and triazine combinations

Title (en)

Improved hardening of hydrophylic colloids with imidazolium and triazine combinations

Title (de)

Verbesserte Härtung hydrophiler Kolloide mit Imidazolium/Triazinkombinationen

Title (fr)

Durcissement amélioré de colloids hydrophyliques à l'aide de combinaisons imidazolium/triazine

Publication

EP 0671655 B1 20000621 (EN)

Application

EP 95103145 A 19950306

Priority

US 20877894 A 19940311

Abstract (en)

[origin: EP0671655A2] An improved method of hardening a hydrophilic colloid is detailed. The hardening results in a stronger matrix and less water pickup. These and other advantages are obtained by hardening with a combination of at least one hardener chosen from Formula I and at least one hardener chosen from Formula II: <CHEM> The substituents are defined.

IPC 1-7

G03C 1/30

IPC 8 full level

G03C 1/30 (2006.01)

CPC (source: EP)

G03C 1/30 (2013.01)

Designated contracting state (EPC)

BE DE FR GB IT

DOCDB simple family (publication)

EP 0671655 A2 19950913; EP 0671655 A3 19960228; EP 0671655 B1 20000621; DE 69517541 D1 20000727; DE 69517541 T2 20010208; JP H07325363 A 19951212

DOCDB simple family (application)

EP 95103145 A 19950306; DE 69517541 T 19950306; JP 7935495 A 19950313