Global Patent Index - EP 2557181 A1

EP 2557181 A1 20130213 - Method for hydrophobic finishing of substrates containing collagen fibre

Title (en)

Method for hydrophobic finishing of substrates containing collagen fibre

Title (de)

Verfahren zum Hydrophobieren von collagenfaserhaltigen Substraten

Title (fr)

Procédé d'hydrophobisation de substrats contenant des fibres de collagène

Publication

EP 2557181 A1 20130213 (DE)

Application

EP 11177375 A 20110812

Priority

EP 11177375 A 20110812

Abstract (en)

Hydrophobizing a collagen fiber containing substrate comprises treating the substrates with at least one carbamoyl sulfonate group containing compound and hydrophobizing the treated substrates in the presence of at least one polysiloxane. An independent claim is included for the collagen fiber containing substrate, preferably leather or furskin tanned with the carbamoyl sulfonate group containing compound and hydrophobized with polysiloxane.

Abstract (de)

Verfahren zum Hydrophobieren von mit wenigstens einer Carbamoylsulfonatgruppen-haltigen Verbindung behandelten collagenfaserhaltigen Substraten, dadurch gekennzeichnet, dass man nach der Behandlung des collagenfaserhaltigen Substrats mit mindestens einer Carbamoylsulfonatgruppen-haltigen Verbindung eine Hydrophobierung in Gegenwart wenigstens eines Polysiloxans durchführt.

IPC 8 full level

C14C 3/08 (2006.01); C14C 9/00 (2006.01)

CPC (source: EP)

C14C 3/08 (2013.01); C14C 9/00 (2013.01)

Citation (applicant)

Citation (search report)

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 2557181 A1 20130213; AR 087527 A1 20140403; WO 2013023980 A1 20130221

DOCDB simple family (application)

EP 11177375 A 20110812; AR P120102963 A 20120813; EP 2012065562 W 20120809