Patent · US Expired

Hydroformylation of olefins using supported bis(phosphorus) ligands

US6369257B1 · kind B1 · utility

3Cited by

10References

7Claims

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	Feb 16, 2001
Grant date	Apr 9, 2002
Priority date	—
Expiry date	Feb 16, 2021

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.