Patent · US Expired

Reactivation of hydroformylation catalysts

US5237106A · kind A · utility

10Cited by
6References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 24, 1992
Grant dateAug 17, 1993
Priority date
Expiry dateJan 24, 2012

Classification

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

Abstract

A process for improving the catalytic activity of a partially deactivated solubilized rhodium-tertiary organophosphine complex hydroformylation catalyst by treating it with propargyl alcohol and a carboxylic acid.

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