申请人:Zotzel Jens
公开号:US20100275380A1
公开(公告)日:2010-11-04
Process for the tanning of hides and skins, characterized in that hides and skins are treated with tanning agents containing deglycosylated iridoids and/or deglycosylated secoiridoids, excluding tanning agents containing genipin.