| 发明名称 |
HYDRAULICALLY ENTANGLED PTFE/GLASS FILTER FELT |
| 摘要 |
A non-woven felt suitable for use as a filter comprised of poly(tetrafluoroethylene) and glass fibers hydraulically entangled to a supporting scrim and a process for making said felt are disclosed. The scrim is made from high temperature and chemically resistant materials. |
| 申请公布号 |
EP0226471(A3) |
申请公布日期 |
1989.11.15 |
| 申请号 |
EP19860309713 |
申请日期 |
1986.12.12 |
| 申请人 |
E.I. DU PONT DE NEMOURS AND COMPANY |
发明人 |
FRANKENBURG, PETER EDGAR |
| 分类号 |
D04H1/42;B01D39/08;B01D39/20;B32B5/26;D04H1/46;D04H13/00 |
主分类号 |
D04H1/42 |
| 代理机构 |
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代理人 |
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