Patent · US Expired

Continuous countercurrent membrane column for the separation of solute/solvent and solvent/solvent systems

US4755297A · kind A · utility

15Cited by
3References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 14, 1986
Grant dateJul 5, 1988
Priority date
Expiry dateNov 14, 2006

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C29/76
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A reverse osmosis membrane process or hybrid membrane - complementary separator process for producing enriched product or waste streams from concentrated and dilute feed streams for both solvent/solvent and solute/solvent systems is described.

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