Selective twist filtration roving
US4801383A · kind A · utility
48Cited by
11References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 19, 1984 |
| Grant date | Jan 31, 1989 |
| Priority date | — |
| Expiry date | Nov 19, 2004 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2239/0695
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
This invention relates to a filtration roving with the cross section of the roving exhibiting portions more tightly twisted than the remainder of the roving.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.