Patent · US Expired

Gas separations utilizing glassy polymer membranes at sub-ambient temperatures

US5352272A · kind A · utility

41Cited by
66References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 13, 1992
Grant dateOct 4, 1994
Priority date
Expiry dateAug 13, 2012

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02P20/129
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

This invention relates to a method of and apparatus for separating component gases in a gas mixture employing a glassy polymer membrane at temperatures of 5.degree. C. or less so as to achieve superior separation of gas components.

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