Solvent-resistant microporous polybenzimidazole membranes
US6623639B2 · kind B2 · utility
5Cited by
12References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 15, 2000 |
| Grant date | Sep 23, 2003 |
| Priority date | — |
| Expiry date | Mar 15, 2020 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D2205/02
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Solvent-resistant polybenzimidazole membranes, methods of making them and crosslinking them and composite membranes and hollow fiber membrane modules from them are disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.