Composite membrane with coating comprising polyalkylene oxide and oxy-substituted phenyl compounds
US8757396B2 · kind B2 · utility
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10Claims
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Key dates
| Filing date | Feb 23, 2011 |
| Grant date | Jun 24, 2014 |
| Priority date | — |
| Expiry date | Feb 19, 2033 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D69/125
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Composite membranes including a coating of polyalkylene oxide and oxy-substituted phenyl 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 oxy-substituted phenyl compound. In another embodiment, the coating comprises a polymer including alkylene oxide repeating units and one or more oxy-substituted phenyl functional groups.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.