发明授权
- 专利标题: Processing for tanning leather
- 专利标题(中): 加工鞣皮革
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申请号: US95136申请日: 1987-09-11
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公开(公告)号: US4822372A公开(公告)日: 1989-04-18
- 发明人: Frank Forster , Karlfried Keller , Hermann Becker , Werner Lotz
- 申请人: Frank Forster , Karlfried Keller , Hermann Becker , Werner Lotz
- 申请人地址: DEX Frankfurt am Main
- 专利权人: Cassella Aktiengesellschaft
- 当前专利权人: Cassella Aktiengesellschaft
- 当前专利权人地址: DEX Frankfurt am Main
- 优先权: DEX3632587 19860925
- 主分类号: C14C3/18
- IPC分类号: C14C3/18
摘要:
An improved process for tanning leather by treating animal skins with a water-soluble melamine-formaldehyde resin in the presence of an acid catalyst towards the end is improved by using a melamine-formaldehyde resin which is at least partially etherified with a glycol ether, alkyl glycol ether, or both.
公开/授权文献
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