EP 1029930 B1 20031105 - Process for tanning
Title (en)
Process for tanning
Title (de)
Gerbverfahren
Title (fr)
Procédé de tannage
Publication
Application
Priority
DE 19906190 A 19990215
Abstract (en)
[origin: EP1029930A1] In a process for tanning skins with a liquor containing a dialdehyde as tanning agent, the pH of the liquor is increased from 2.5-4.0 initially to 5.5 or more. An Independent claim is also included for a composition comprising a dialdehyde and optionally a modified dialdehyde for use in this process.
IPC 1-7
IPC 8 full level
CPC (source: EP)
C14C 3/16 (2013.01)
Designated contracting state (EPC)
AT DE IT SE
DOCDB simple family (publication)
EP 1029930 A1 20000823; EP 1029930 B1 20031105; AT E253648 T1 20031115; DE 19906190 A1 20000817; DE 59907620 D1 20031211
DOCDB simple family (application)
EP 99125142 A 19991216; AT 99125142 T 19991216; DE 19906190 A 19990215; DE 59907620 T 19991216