EP 0225491 B1 19890906 - TANNING AGENT AND METHOD FOR ITS MANUFACTURE
Title (en)
TANNING AGENT AND METHOD FOR ITS MANUFACTURE
Publication
Application
Priority
DE 3540211 A 19851113
Abstract (en)
[origin: US4828570A] Hides, skins and pelts are tanned by use of a tanning agent which comprises the reaction product of acetaldehyde, formaldehyde and a formylamino compound.
IPC 1-7
IPC 8 full level
C14C 3/08 (2006.01); C14C 3/16 (2006.01); C14C 3/18 (2006.01)
CPC (source: EP US)
C14C 3/08 (2013.01 - EP US)
Designated contracting state (EPC)
AT BE CH DE ES FR GB IT LI NL
DOCDB simple family (publication)
EP 0225491 A2 19870616; EP 0225491 A3 19871111; EP 0225491 B1 19890906; AT E46190 T1 19890915; BR 8605597 A 19870818; DE 3540211 A1 19870514; DE 3665483 D1 19891012; ES 2010502 B3 19891116; JP S62115100 A 19870526; PT 83727 A 19861201; PT 83727 B 19880208; US 4828570 A 19890509
DOCDB simple family (application)
EP 86115504 A 19861108; AT 86115504 T 19861108; BR 8605597 A 19851112; DE 3540211 A 19851113; DE 3665483 T 19861108; ES 86115504 T 19861108; JP 26787986 A 19861112; PT 8372786 A 19861112; US 91760086 A 19861009