Composite membrane with coating comprising polyalkylene oxide and imidazol compounds
US8646616B2 · kind B2 · utility
2Cited by
30References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 23, 2011 |
| Grant date | Feb 11, 2014 |
| Priority date | — |
| Expiry date | Sep 2, 2032 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D69/125
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Composite membranes including a coating comprising a combination of polyalkylene oxide and imidazol compounds along with various methods for making and using the same. In one embodiment, the composite membrane comprises a thin film polyamide layer including a coating of a reaction product of a polyalkylene oxide compound and an imidazol compound. In another embodiment, the coating comprises a polymer including alkylene oxide repeating units and one or more imidazol functional groups.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.