EP 2557224 A1 20130213 - Method for colouring substrates containing collagen fibres
Title (en)
Method for colouring substrates containing collagen fibres
Title (de)
Verfahren zum Färben von collagenfaserhaltigen Substraten
Title (fr)
Procédé de coloration de substrats contenant des fibres de collagène
Publication
Application
Priority
EP 11177377 A 20110812
Abstract (en)
Coloring collagen fiber containing substrates treated with at least one carbamoyl sulfonate group containing compound, comprises coloring the treated collagen fiber containing substrate with at least one anionic dye. An independent claim is also included for the collagen fiber containing substrates, preferably leather or fur skins, which are tanned with at least one carbamoyl sulfonate group containing compound and colored with at least one anionic dye.
Abstract (de)
Verfahren zum Färben von mit wenigstens einer Carbamoylsulfonatgruppen-haltigen Verbindung behandelten collagenfaserhaltigen Substraten, das dadurch gekennzeichnet ist, dass eine anschließende Färbung des so behandelten collagenfaserhaltigen Substrats mit wenigstens einem anionischen Farbstoff erfolgt.
IPC 8 full level
CPC (source: EP)
C14C 3/08 (2013.01); D06P 3/3206 (2013.01)
Citation (applicant)
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Citation (search report)
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Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
EP 2557224 A1 20130213; AR 087526 A1 20140403; WO 2013023979 A1 20130221; WO 2013023979 A9 20131205
DOCDB simple family (application)
EP 11177377 A 20110812; AR P120102962 A 20120813; EP 2012065561 W 20120809