Global Patent Index - EP 1530647 B1

EP 1530647 B1 20090325 - FORMULATION FOR USE IN CHROME OR CHROME-FREE TANNAGE

Title (en)

FORMULATION FOR USE IN CHROME OR CHROME-FREE TANNAGE

Title (de)

FORMULIERUNG FÜR DEN EINSATZ IN DER CHROMFREI- ODER CHROMGERBUNG

Title (fr)

FORMULATION DESTINEE A ETRE UTILISEE POUR LE TANNAGE AU CHROME OU SANS CHROME

Publication

EP 1530647 B1 20090325 (DE)

Application

EP 03793708 A 20030808

Priority

  • DE 10237259 A 20020814
  • EP 0308830 W 20030808

Abstract (en)

[origin: US2006101584A1] A formulation for use in chrome-free or chrome tanning is proposed, comprising a clay mineral which, after vigorous stirring for 30 minutes in water at 50° C., has a number average particle diameter of less than 2 mum or a bimodal size distribution with a first, finely divided fraction whose number average particle diameter is less than 0.5 mum and a second, coarser fraction whose number average particle diameter is less than 5 mum, determined in each case by the method according to ISO 13320-1, by combined laser light diffraction and light scattering, the amount of the first, finely divided fraction being from 10 to 90% by weight, and one or more substances from one or more of the following groups: organic polymers, aldehyde tanning agents, sulfone tanning agents, resin tanning agents, phenol tanning agents, fatliquoring agents, vegetable tanning agents, dyes and pigments.

IPC 8 full level

C14C 3/16 (2006.01); C14C 3/28 (2006.01)

CPC (source: EP KR US)

C14C 3/04 (2013.01 - KR); C14C 3/16 (2013.01 - EP KR US); C14C 3/28 (2013.01 - EP KR US)

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR

DOCDB simple family (publication)

US 2006101584 A1 20060518; US 7771489 B2 20100810; AR 040862 A1 20050420; AT E426683 T1 20090415; AU 2003260394 A1 20040329; BR 0313072 A 20070717; CN 100363507 C 20080123; CN 1675381 A 20050928; DE 10237259 A1 20040226; DE 50311346 D1 20090507; EP 1530647 A1 20050518; EP 1530647 B1 20090325; KR 20050053609 A 20050608; WO 2004022790 A1 20040318

DOCDB simple family (application)

US 52404705 A 20051013; AR P030102922 A 20030813; AT 03793708 T 20030808; AU 2003260394 A 20030808; BR 0313072 A 20030808; CN 03819512 A 20030808; DE 10237259 A 20020814; DE 50311346 T 20030808; EP 0308830 W 20030808; EP 03793708 A 20030808; KR 20057002374 A 20050211