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:
Apr. 14, 1987
Filed:
Oct. 24, 1985
Applicant:
Inventors:
Gerhard Luft, Muhltal, DE;
Gebhard Ritter, Schutterwald/Baden, DE;
Assignee:
Hoechst Aktiengesellschaft, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J / ;
U.S. Cl.
CPC ...
502161 ; 502153 ; 502154 ; 502162 ; 502167 ; 502168 ; 260546 ; 260549 ;
Abstract
Carrier-supported catalyst for making monocarboxylic anhydrides by subjecting a suitable ester or ether to carbonylation. The carrier supported catalyst has an organosilicon compound containing an alkoxy or halogen group and also an organonitrogen, organophosphorus, organoarsenic, organosulfur, mercapto or thioether group as a polyfunctional adhesion promoter additively combined with the carrier material on the one hand, and with the noble metal compound of the 8th subgroup of the Periodic System of the elements, on the other hand.