发明授权
- 专利标题: Softening and waterproofing retanning agents
- 专利标题(中): 软化防水复鞣剂
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申请号: US319191申请日: 1994-10-06
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公开(公告)号: US5472741A公开(公告)日: 1995-12-05
- 发明人: Gunter Sackmann , Bruno Bomer , Joachim Kochta , Henricus Slaats
- 申请人: Gunter Sackmann , Bruno Bomer , Joachim Kochta , Henricus Slaats
- 申请人地址: DEX Leverkusen
- 专利权人: Bayer Aktiengesellschaft
- 当前专利权人: Bayer Aktiengesellschaft
- 当前专利权人地址: DEX Leverkusen
- 优先权: DEX4334796.7 19931013
- 主分类号: C14C3/22
- IPC分类号: C14C3/22 ; B05D3/02
摘要:
Copolymers containing incorporated radicals of long-chain alcohols and neutralized carboxyl groups are suitable as retanning agents for leather. They result in an excellent combination of water repellency, softness and grain tightness.
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