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:
Jun. 08, 2010
Filed:
Jul. 25, 2005
Scott A. Stevenson, Houston, TX (US);
Wugeng Liang, Katy, TX (US);
James W. Kauffman, Katy, TX (US);
Lixia Cai, Maple Glen, PA (US);
Angie Mcguffey, Sugarland, TX (US);
Joseph R. Linzer, Houston, TX (US);
Scott A. Stevenson, Houston, TX (US);
Wugeng Liang, Katy, TX (US);
James W. Kauffman, Katy, TX (US);
Lixia Cai, Maple Glen, PA (US);
Angie McGuffey, Sugarland, TX (US);
Joseph R. Linzer, Houston, TX (US);
Abstract
A catalyst for oxidation of unsaturated and/or saturated aldehyde to unsaturated acids is disclosed where the catalyst including at least molybdenum (Mo), phosphorus (P), vanadium (V), bismuth (Bi), and a first component selected from the group consisting of potassium (K), rubidium (Rb), cesium (Cs), thallium (Tl), or mixtures or combinations thereof, where the catalyst has at least 57% medium pores and a nitric acid to molybdenum mole ratio of at least 0.5:1 or at least 6.0:1 moles of HNOper mole of Mo. Methods for making and using such catalysts are also disclosed.