Patent · US Expired

Preparation of aldehydes

US6700021B2 · kind B2 · utility

4Cited by

3References

11Claims

0Family size

Assignee

CELANESE CHEMICALS EUROPE GMBH · DE

Inventors

Hans Bohnen · Niedernhausen, DE
Carl D. Frohning · Wesel, DE
Ernst Wiebus · Oberhausen, DE

Key dates

Filing date	Jul 3, 2002
Grant date	Mar 2, 2004
Priority date	—
Expiry date	Jul 3, 2022

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB01J2531/96
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

The present invention relates to a process for preparing aldehydes by reaction of olefinically unsaturated compounds with carbon monoxide and hydrogen, wherein, during the process, rhodium is added in the form of a reaction product from the reaction of metallic rhodium and/or more than one rhodium compound with rhodium-complexing compounds and with carbon monoxide and hydrogen, the use of said reaction product in catalytic processes and also the preparation of a catalytic composition with addition of said reaction product.

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