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:
Mar. 30, 2010
Filed:
May. 15, 2004
Applicants:
Sebastian Storck, Mannheim, DE;
Jürgen Zühlke, Speyer, DE;
Samuel Neto, Mannheim, DE;
Frank Rosowski, Mannheim, DE;
Inventors:
Sebastian Storck, Mannheim, DE;
Jürgen Zühlke, Speyer, DE;
Samuel Neto, Mannheim, DE;
Frank Rosowski, Mannheim, DE;
Assignee:
BASF SE, Ludwigshafen, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01J 31/36 (2006.01);
U.S. Cl.
CPC ...
Abstract
Catalyst systems for preparing phthalic anhydride by means of gas-phase oxidation of o-xylene and/or naphthalene, and a process for preparing phthalic anhydride using the catalyst systems.