Patent · US Expired

Oxygen enriching membrane

US6372020B2 · kind B2 · utility

10Cited by
10References
8Claims
0Family size

Assignees

Inventors

Key dates

Filing dateAug 26, 1999
Grant dateApr 16, 2002
Priority date
Expiry dateAug 26, 2019

Classification

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

Abstract

The present invention relates to a novel oxygen enriching membrane wich exhibits the desired oxygen selectivity and permeability under a low pressure difference characterized in that it is prepared from siloxylated cellulose and/or siloxylated glass.

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