Patent · US Expired

Method for recovering rhodium from hydroformylation products

US6863872B2 · kind B2 · utility

0Cited by

3References

14Claims

0Family size

Assignee

CELANESE CHEMICALS EUROPE GMBH · DE

Inventors

Ernst Wiebus · Oberhausen, DE
Kurt Schalapski · Oberhausen, DE
Michael Mertl · Oberhausen, DE
Richard Fischer · Hartland, US
Rainer Lukas · Essen, DE

Key dates

Filing date	Mar 14, 2001
Grant date	Mar 8, 2005
Priority date	—
Expiry date	Feb 15, 2022

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02P20/584
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

According to the invention, rhodium is recovered from hydroformylation products (feed material) by thermally processing the feed material in the presence of an adsorbent and, optionally, with the additional action of hydrogen.

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