Patent · US Expired

Supported catalysts containing a platinum group metal and method for producing diarylcarbonates

US6242632A · kind A · utility

0Cited by

3References

1Claims

0Family size

Assignee

BAYER HEALTHCARE LLC · DE

Inventors

Carsten Hesse · Krefeld, DE
Ulrich Notheis · Dormagen, DE
Johann Rechner · Krefeld, DE

Key dates

Filing date	Feb 11, 2000
Grant date	Jun 5, 2001
Priority date	—
Expiry date	Feb 11, 2020

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07C68/01
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A platinum metal-containing supported catalyst in which the support contains mixed oxides of metals, transition metals and semiconductor elements, which can act as redox catalysts under the reaction conditions is disclosed. Also disclosed is the preparation of these catalysts and their use in a process for preparing diaryl carbonates.

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