EP 0632840 B1 19970924 - IMPROVED LEATHER
Title (en)
IMPROVED LEATHER
Title (de)
VERBESSERTES LEDER
Title (fr)
CUIR AMELIORE
Publication
Application
Priority
- EP 9300711 W 19930324
- GB 9206791 A 19920327
Abstract (en)
[origin: WO9320243A1] Leather products that are well lubricated, impermeable and water-repellent are produced by impregnating tanned hides or skins under alkaline conditions with an aqueous emulsion of a mixture of alkyl or alkenyl carboxylic acids or anhydrides containing at least 16 carbon atoms, and in particular polyisobutenyl succinic acid or its anhydride containing at least 30 carbon atoms, and fatty acids in specified proportions followed by retaining with basic solutions or with the emulsion which is also covered may additionally contain fatty acids.
IPC 1-7
IPC 8 full level
C14C 9/00 (2006.01)
CPC (source: EP)
C14C 9/00 (2013.01)
Designated contracting state (EPC)
AT BE DE DK FR GB IE IT LU MC NL PT SE
DOCDB simple family (publication)
WO 9320243 A1 19931014; AT E158617 T1 19971015; CA 2132834 A1 19931014; DE 69314168 D1 19971030; DE 69314168 T2 19980507; EP 0632840 A1 19950111; EP 0632840 B1 19970924; GB 9206791 D0 19920513; JP H07505184 A 19950608
DOCDB simple family (application)
EP 9300711 W 19930324; AT 93906600 T 19930324; CA 2132834 A 19930324; DE 69314168 T 19930324; EP 93906600 A 19930324; GB 9206791 A 19920327; JP 51704593 A 19930324