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:
Oct. 18, 2005
Filed:
Feb. 18, 2004
Stefania Albonetti, Imola, IT;
Fabrizio Cavani, Modena, IT;
Simone Ligi, Montefelcino, IT;
Gianluca Mazzoni, Torre Boldone, IT;
Stefania Albonetti, Imola, IT;
Fabrizio Cavani, Modena, IT;
Simone Ligi, Montefelcino, IT;
Gianluca Mazzoni, Torre Boldone, IT;
Lonza S.p.A., Milan, IT;
Abstract
Active vanadium/phosphorus mixed oxide catalyst for the conversion of non-aromatic hydrocarbons, e.g., n-butane, into maleic anhydride. The catalyst is prepared from the catalyst precursor, that is, prepared by the reaction of a source of vanadium in an organic medium in the presence of a phosphorus source. The organic medium is (a) isobutyl alcohol or a mixture of isobutyl alcohol and benzyl alcohol and (b) a polyol. The catalyst precurso is transformed into the active catalyst by an activation process that includes a heat treatment that includes applying a temperature of up to 600° C.