EP 0575927 B1 19960828 - Process for liming skins and hides
Title (en)
Process for liming skins and hides
Title (de)
Verfahren zum Äschern von Häuten und Fellen
Title (fr)
Procédé de pelage de cuirs et de peaux
Publication
Application
Priority
DE 4220838 A 19920625
Abstract (en)
[origin: EP0575927A2] The invention relates to processes for liming skins and hides using proteolytic enzymes in an aqueous alkaline liquor. The liming liquor has a pH within the range from 10 to 14 and contains, at one and the same time, thiourea dioxide and alkaline proteases having elastase activity.
IPC 1-7
IPC 8 full level
CPC (source: EP KR US)
C14C 1/06 (2013.01 - KR); C14C 1/065 (2013.01 - EP US)
Designated contracting state (EPC)
AT BE CH DE DK ES FR GB IT LI NL SE
DOCDB simple family (publication)
EP 0575927 A2 19931229; EP 0575927 A3 19940209; EP 0575927 B1 19960828; AT E141959 T1 19960915; BR 9302644 A 19940111; DE 4220838 A1 19940105; DE 59303551 D1 19961002; DK 0575927 T3 19960930; ES 2091523 T3 19961101; JP 3211914 B2 20010925; JP H0657300 A 19940301; KR 100256152 B1 20000601; KR 940005808 A 19940322; MX 9303809 A 19940131; US 5508195 A 19960416
DOCDB simple family (application)
EP 93109846 A 19930621; AT 93109846 T 19930621; BR 9302644 A 19930624; DE 4220838 A 19920625; DE 59303551 T 19930621; DK 93109846 T 19930621; ES 93109846 T 19930621; JP 15340893 A 19930624; KR 930011654 A 19930625; MX 9303809 A 19930624; US 53367495 A 19950926