Thin film gas separation membranes
US8016124B2 · kind B2 · utility
7Cited by
6References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 22, 2009 |
| Grant date | Sep 13, 2011 |
| Priority date | — |
| Expiry date | Nov 27, 2029 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02C20/40
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A gas separation membrane comprises a blend of polyethersulfone (PES) and aromatic polyimide polymers that may comprise a plurality of first repeating units of formula (I),wherein X1, X 2 and X3 are herein defined.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.