Patent · US Expired

Membranous gas separator

US5154740A · kind A · utility

1Cited by
11References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 10, 1991
Grant dateOct 13, 1992
Priority date
Expiry dateJun 10, 2011

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/249978
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

Disclosed is a membranous gas separator comprising (a) a porous substrate having an average pore diameter of not greater than 100 .ANG. and (b) a .pi.-electron conjugated conducting polymer retained within at least a part of the pores of the porous substrate in such a way that the pores are not blocked characterized in that retaining the .pi. -electron conjugated conducting polymer within the pore is carried out by a chemical oxidative polymerization.

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