Patent · US Expired

Gas-separation process

US5281255A · kind A · utility

64Cited by
8References
23Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 4, 1992
Grant dateJan 25, 1994
Priority date
Expiry dateNov 4, 2012

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB01D53/22
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A process for separating condensable organic components from gas streams. The process makes use of a membrane made from a polymer material that is glassy and that has an unusually high free volume within the polymer material.

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