Patent · US Expired

Separation procedure

US3950247A · kind A · utility

37Cited by
4References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 20, 1971
Grant dateApr 13, 1976
Priority date
Expiry dateOct 20, 1991

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC01B7/01
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

Process for the separation of water from mixtures of water and organic or inorganic compounds, soluble in water, by contacting the mixtures against an organic polymeric membrane, and withdrawing at the other side of the membrane a mixture having a higher concentration of water.

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