The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 05, 2001
Filed:
Feb. 11, 2000
Applicant:
Inventors:
Carsten Hesse, Tönisvorst, DE;
Ulrich Notheis, Tönisvorst, DE;
Johann Rechner, Kempen, DE;
Assignee:
Bayer Aktiengesellschaft, Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 6/996 ;
U.S. Cl.
CPC ...
C07C 6/996 ;
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.