Efficient 3-D nanostructured gas separation membranes
US7309385B2 · kind B2 · utility
18Cited by
11References
11Claims
0Family size
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Key dates
| Filing date | Dec 22, 2004 |
| Grant date | Dec 18, 2007 |
| Priority date | — |
| Expiry date | Dec 20, 2025 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02C20/40
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
There is provided a high efficient gas separation membrane of two or more layers, which comprises a separating layer of 3-dimensional nanostructure and a supporting layer, wherein the 3-dimensional nanostructure can maximize a surface area per unit permeation area.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.