Hollow fiber membrane tubesheets of variable epoxy composition and hardness
US6290756A · kind A · utility
73Cited by
12References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 3, 1997 |
| Grant date | Sep 18, 2001 |
| Priority date | — |
| Expiry date | Dec 3, 2017 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D63/024
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Multicomponent hollow fiber membrane tubesheets are disclosed that provide for improved membrane performance, particularly at high operating pressures. The multicomponent tubesheets have an epoxy resin having, when cured, different degrees of hardness in different portions of the tubesheet. Methods for producing such multicomponent tubesheets are also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.