Global Patent Index - EP 1597402 A1

EP 1597402 A1 20051123 - METHOD FOR HYDROPHOBING LEATHER AND FURSKINS

Title (en)

METHOD FOR HYDROPHOBING LEATHER AND FURSKINS

Title (de)

VERFAHREN ZUR HYDROPHOBIERUNG VON LEDER UND PELZFELLEN

Title (fr)

PROCEDE D'IMPERMEABILISATION DE CUIRS ET DE PELLETERIES

Publication

EP 1597402 A1 20051123 (DE)

Application

EP 04705767 A 20040128

Priority

  • EP 2004000706 W 20040128
  • DE 10306748 A 20030217
  • DE 10332991 A 20030718

Abstract (en)

[origin: WO2004072307A1] The invention relates to a method for hydrophobing leather and furskins, said method being characterised in that the leather or furskin is treated before, during or after the retanning process, with at least one formulation containing between 1 and 30 wt. %, in relation to the formulation, of a mixture of polysiloxanes containing between 10 and 90 wt. %, in relation to the mixture, of at least one polysiloxane containing carboxyl groups, between 90 and 10 wt. %, in relation to the mixture, of at least one polysiloxane free of carboxyl groups, and between 3 and 25 wt. %, in relation to the formulation, of at least one emulsifier.

IPC 1-7

C14C 9/02

IPC 8 full level

C14C 9/02 (2006.01)

CPC (source: EP US)

C14C 9/02 (2013.01 - EP US)

Citation (search report)

See references of WO 2004072307A1

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)

WO 2004072307 A1 20040826; BR PI0406655 A 20051206; BR PI0406655 B1 20130716; EP 1597402 A1 20051123; EP 1597402 B1 20190626; ES 2743434 T3 20200219; US 2006096036 A1 20060511

DOCDB simple family (application)

EP 2004000706 W 20040128; BR PI0406655 A 20040128; EP 04705767 A 20040128; ES 04705767 T 20040128; US 54478505 A 20050808