Patent · US Expired

Hydroformylation

US6559344B2 · kind B2 · utility

1Cited by
4References
8Claims
0Family size

Assignee

Inventor

Key dates

Filing dateFeb 19, 2002
Grant dateMay 6, 2003
Priority date
Expiry dateFeb 19, 2022

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C45/50
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

In a process for the hydroformylation of ethylenically unsaturated compounds, at least one complex or compound of a metal of transition group VIII with at least one bidentate phosphine ligand is used as hydroformylation catalyst and at least one of the reaction steps following the hydroformylation reaction is carried out essentially in the absence of carbon monoxide and hydrogen and in the presence of at least one monodentate phosphine ligand.

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