EP 0575927 A3 19940209 -
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)
Citation (search report)
- [A] EP 0326059 A2 19890802 - ROEHM GMBH [DE]
- [A] GB 2047738 A 19801203 - ROEHM GMBH
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