| 发明名称 |
NON-WOVEN MATERIAL FOR SUPPORT OF SEMIPERMEABLE MEMBRANE |
| 摘要 |
<p>A non-woven material and a method for making it, for use as a backing for a semipermeable membrane which comprises binding fibres, the distribution of which corresponds to that of a wet-laid non-woven material, the binding fibres being fused and flattened, without restriction of the porosity of the material in the surface region of the material.</p> |
| 申请公布号 |
CA1107580(A) |
申请公布日期 |
1981.08.25 |
| 申请号 |
CA19770292431 |
申请日期 |
1977.12.05 |
| 申请人 |
FREUDENBERG (CARL) |
发明人 |
SCHULTHEISS, WOLFRAM;GROITZSCH, DIETER |
| 分类号 |
B01D69/10;D04H1/54;(IPC1-7):04H1/70 |
主分类号 |
B01D69/10 |
| 代理机构 |
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代理人 |
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