发明名称 |
Processing for tanning leather |
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.
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申请公布号 |
US4822372(A) |
申请公布日期 |
1989.04.18 |
申请号 |
US19870095136 |
申请日期 |
1987.09.11 |
申请人 |
CASSELLA AKTIENGESELLSCHAFT |
发明人 |
FOERSTER, FRANK;KELLER, KARLFRIED;BECKER, HERMANN;LOTZ, WERNER |
分类号 |
C14C3/18;(IPC1-7):C14C3/18 |
主分类号 |
C14C3/18 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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