Patent · US Active

Thin film gas separation membranes

US8016124B2 · kind B2 · utility

7Cited by
6References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 22, 2009
Grant dateSep 13, 2011
Priority date
Expiry dateNov 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.