Membranes and methods of treating membranes
US7727434B2 · kind B2 · utility
11Cited by
47References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 16, 2005 |
| Grant date | Jun 1, 2010 |
| Priority date | — |
| Expiry date | Aug 16, 2025 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D71/62
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Membranes as well as a methods of treating membranes are disclosed. The method of treating a membrane includes contacting the membrane with a first solvent, contacting the membrane with an inert solvent, and contacting the membrane with an amine reactive compound. The first solvent includes a solvent having a Hansen solubility parameter in a range from about 10.0 to about 18. The membrane includes a polymer having an amine group.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.