Patent · US Expired

Phase transfer catalysis

US4754089A · kind A · utility

23Cited by
7References
40Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 5, 1986
Grant dateJun 28, 1988
Priority date
Expiry dateDec 5, 2006

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02P20/584
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

The present invention relates to a novel method for conducting phase transfer catalysis in a multiphase reaction system wherein the different phases are separated by a membrane permeable to the phase transfer catalyst and its various reaction complexes. The invention also relates to membranes and a membrane-containing apparatus useful in carrying out phase transfer catalysis.

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