Patent · US Active

Process for preparing C5 aldehyde mixtures with a high n-pentanal content

US8461394B2 · kind B2 · utility

18Cited by

4References

18Claims

0Family size

Assignee

Evonik Oxeno GmbH · DE

Inventors

Hans-Gerd Lueken · Marl, DE
Dirk Fridag · Haltern am See, DE
Udo Lenz · Recklinghausen, DE
Hermann-Josef Schulte-Althoff · Haltern, DE
Klaus-Diether Wiese · Haltern am See, DE
Alfred Kaizik · Marl, DE
Patrick Muhlack · Recklinghausen, DE
Wilfried Bueschken · Haltern, DE
Frank Hoeper · Haltern am See, DE

Key dates

Filing date	Apr 28, 2009
Grant date	Jun 11, 2013
Priority date	—
Expiry date	Oct 17, 2029

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02P20/582
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A process for preparing a C5 aldehyde mixture from a hydrocarbon mixture comprising at least one linear butene by terminal hydroformylation under isomerizing conditions, using a catalyst system comprising rhodium, a bisphosphite ligand, and an amine.

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