| 发明名称 |
Chrome free waterproof leather |
| 摘要 |
Chromium-free leather has a water-proofness measured as DIN 53338 penetration time of at least30 minutes. Independent claims are also included for the use of silicones as hydrophobicizers for chromium-free tanned leather; and production of the leather by treating with a hydrophobicizer, optionally after post-tanning.
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| 申请公布号 |
EP1416057(A1) |
申请公布日期 |
2004.05.06 |
| 申请号 |
EP20030023284 |
申请日期 |
2003.10.15 |
| 申请人 |
BAYER CHEMICALS AG |
发明人 |
KLEBAN, MARTIN, DR.;KAPLAN, AHMET;REINERS, JUERGEN, DR.;WINTHER, HENRIK |
| 分类号 |
B68G5/00;C14C3/04;C14C9/00;C14C9/02;(IPC1-7):C14C3/04 |
主分类号 |
B68G5/00 |
| 代理机构 |
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