EP 0505920 B1 19970611 - Enzymatically assisted liming process
Title (en)
Enzymatically assisted liming process
Title (de)
Enzymatisch unterstütztes Äscherverfahren
Title (fr)
Procédé de pelanage assisté par des enzymes
Publication
Application
Priority
DE 4109826 A 19910326
Abstract (en)
[origin: EP0505920A1] The invention relates to a process for the production of pelts ready for tanning, from hides and skins, using proteolytic and lipolytic enzymes in the beam house, wherein in at least one of the part-steps in the beam house consisting of a) the lime in the pH range 11.5 - 14 and the b) bate in the pH range 5 - 11.5 in the aqueous liquors corresponding to these part-steps, alkaline lipases (E.C.3.1.3.) with an activity optimum in the pH range 9 - 11 are employed.
IPC 1-7
IPC 8 full level
C14C 1/00 (2006.01); C12S 7/00 (2006.01); C14C 1/06 (2006.01); C14C 1/08 (2006.01)
CPC (source: EP)
C14C 1/08 (2013.01)
Designated contracting state (EPC)
AT BE CH DE DK ES FR GB IT LI NL SE
DOCDB simple family (publication)
EP 0505920 A1 19920930; EP 0505920 B1 19970611; AT E154396 T1 19970615; AU 1424792 A 19921102; AU 645412 B2 19940113; BR 9204797 A 19930803; CZ 285164 B6 19990512; CZ 343592 A3 19930811; DE 4109826 A1 19921105; DE 59208598 D1 19970717; ES 2103845 T3 19971001; HU 217020 B 19991129; HU 9203708 D0 19930928; HU T66530 A 19941228; JP H05507522 A 19931028; KR 100201731 B1 19990615; PL 168197 B1 19960131; RU 2052506 C1 19960120; SK 277863 B6 19950510; SK 343592 A3 19940406; TW 203102 B 19930401; WO 9217613 A1 19921015; ZA 922207 B 19921230
DOCDB simple family (application)
EP 92104751 A 19920319; AT 92104751 T 19920319; AU 1424792 A 19920319; BR 9204797 A 19920319; CS 343592 A 19910326; DE 4109826 A 19910326; DE 59208598 T 19920319; DE 9200233 W 19920319; ES 92104751 T 19920319; HU 9203708 A 19920319; JP 50647792 A 19920319; KR 920702971 A 19921125; PL 29716692 A 19920319; RU 92016365 A 19920319; SK 343592 A 19920319; TW 81102326 A 19920326; ZA 922207 A 19920326