Patent · US Expired

Hydroformylation of olefins using supported bis(phosphorus) ligands

US6229052A · kind A · utility

3Cited by

9References

21Claims

0Family size

Assignee

E.I. DU PONT DE NEMOURS AND COMPANY · US

Inventors

Emilio Bunel · Thousand Oaks, US
Patrick M. Burke · Wilmington, US
Joe Douglas Druliner · Newark, US
Leo Ernest Manzer · Wilmington, US
Kenneth Gene Moloy · Charleston, US
Manxue Wang · Wilmington, US

Key dates

Filing date	Apr 14, 1999
Grant date	May 8, 2001
Priority date	—
Expiry date	Apr 14, 2019

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB01J2531/822
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

Supported bis(phosphorus) ligands are disclosed for use in hydroformylation reactions, including the hydroformylation of olefins. Catalysts are formed when the ligands are complexed with a catalytically active metal (e.g., rhodium or iridium).

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