Patent · US Expired

Method for the separation of gases at low temperatures

US5649996A · kind A · utility

13Cited by
15References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 23, 1995
Grant dateJul 22, 1997
Priority date
Expiry dateOct 23, 2015

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB01D2323/082
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A method for separating gases with enhanced selectivity comprises causing a mixture of gases to be separated to flow through a molecular sieving membrane (MSM), at cryogenic temperatures.

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