Patent · US Expired

Oxygen-permeable polymeric membranes

US5147424A · kind A · utility

4Cited by
14References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 28, 1991
Grant dateSep 15, 1992
Priority date
Expiry dateJun 28, 2011

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC01B2210/0046
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

Oxygen-permeable polymeric complexes comprise (a) a transition metal (II) ion, (b) a liqand of meso-tris(.alpha., .alpha.,.alpha.-o-substituted-amidophenyl)-mono-(.beta.-o-substituted amidophenyl) porphyrinato, and (c) an aromatic amine polymer.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.