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:
Aug. 14, 2001
Filed:
May. 14, 1999
Applicant:
Inventors:
Christoph Ruedinger, München, DE;
Hans-Juergen Eberle, München, DE;
Norbert Zeitler, München, DE;
Max Wollin, München, DE;
Gudrun Wittmann, München, DE;
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 5/125 ;
U.S. Cl.
CPC ...
C07C 5/125 ;
Abstract
The invention relates to a shell catalyst for producing acetic acid by gas-phase oxidation of unsaturated C,-hydrocarbons, comprising an inert non-porous carrier and a catalytically active mixed oxide material applied on the outer surface of the carrier, wherein said material contains (a) one or several oxides from the group titanium dioxide, zircon dioxide, stannic dioxide, aluminum oxide, and b) 0.1 to 1.5 wt. % vanadium pentoxide in relation to the weight of the constituent (a) and per m,/g of the specific surface of the constituent (a).