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:
Dec. 08, 2009
Filed:
May. 01, 2006
Applicants:
Muin S. Haddad, Naperville, IL (US);
Gary V. Goeden, Batavia, IL (US);
Inventors:
Muin S. Haddad, Naperville, IL (US);
Gary V. Goeden, Batavia, IL (US);
Assignee:
INEOS USA LLC, Lisle, IL (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B01J 27/00 (2006.01); B01J 27/198 (2006.01); B01J 27/188 (2006.01); B01J 27/19 (2006.01); B01J 27/192 (2006.01); C07D 307/34 (2006.01);
U.S. Cl.
CPC ...
Abstract
A process is disclosed for the improvement of fluid bed vanadium phosphorus mixed oxide catalyst performance in the manufacture of maleic anhydride from butane, which process comprises impregnating the VPO catalyst powder with a phosphorus compound, such as an alkyl ester of orthophosphoric acid and then using this impregnated catalyst powder to provide phosphorus to the maleic anhydride producing catalyst.