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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.:

US 6001768 B1

PDFFull Text
Date of Patent:
Dec. 14, 1999

Filed:

Mar. 29, 1996

Supported catalysts containing a platinum metal and process for

Applicant:
Inventors:

Hans-Josef Buysch, Krefeld, DE;

Carsten Hesse, Krefeld, DE;

Jorg-Dietrich Jentsch, Mulheim, DE;

Johann Rechner, Kempen, DE;

Eberhard Zirngiebl, Koln, DE;

Assignee:

Bayer Aktiengesellschaft, Leverkusen, DE;

Attorney:

Sprung Kramer Schaefer & Briscoe

Primary Examiner:

Mark L Bell

Assistant Examiner:

Patricia L Hailey

Int. Cl.
CPC ...
B01J / ; B01J / ; C07C / ;
U.S. Cl.
CPC ...
502230 ; 502308 ; 502309 ; 502311 ; 502318 ; 502321 ; 502324 ; 502325 ; 502326 ; 502330 ; 502331 ; 502345 ; 502350 ; 502312 ; 502313 ; 502314 ; 502315 ; 502316 ; 558270 ; 558271 ; 558274 ; 558275 ;
Abstract

In the process for preparing an aromatic carbonate from an aromatic hydroxy compound, CO and O.sub.2 in the presence of a quaternary salt and a base, use is advantageously made of supported catalysts which, in the reaction-ready state, contain a platinum metal, a platinum metal compound or a complex containing a platinum metal compound on a support comprising a metal oxide whose metal can occur in a plurality of oxidation states.

Find Patent Forward Citations

Buysch, Hans-Josef. (1999). Supported catalysts containing a platinum metal and process for (U.S. Patent No. 6001768). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6001768

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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