- 专利标题: METHODS FOR TANNING ANIMAL SKINS
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申请号: US15743077申请日: 2016-07-13
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公开(公告)号: US20190078169A1公开(公告)日: 2019-03-14
- 发明人: Ramon COLOMER DURAN
- 申请人: DB PATENTS LTD.
- 优先权: IT102015000034080 20150714
- 国际申请: PCT/IB2016/054178 WO 20160713
- 主分类号: C14C3/16
- IPC分类号: C14C3/16 ; C14C3/28
摘要:
A method for tanning animal skin may include: putting the animal skin in contact with a first tanning bath comprising (weight percentages referring to a pelt weight of the animal skin): water, at least one C2-C8 aliphatic dialdehyde in a quantity within a range of 2%-30%, and/or at least one non-ionic surfactant in a quantity within a range of 0.1%-20%, wherein the first tanning bath has a pH within a range of 1-5 and a density within a range of 3° Bé-10° Bé; bringing the pH of the first tanning bath to a pH greater than 5 and less than or equal to 8; and/or washing the animal skin to obtain a tanned animal skin.
公开/授权文献
- US11041219B2 Methods for tanning animal skins 公开/授权日:2021-06-22