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:
Apr. 12, 2011
Filed:
May. 31, 2010
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, Sugar Land, 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, Sugar Land, TX (US);
Joseph R. Linzer, Houston, TX (US);
Abstract
Methods of making catalysts for oxidation of unsaturated and/or saturated aldehyde to unsaturated acids is disclosed where the catalyst including at least molybdenum (Mo) and phosphorus (P), where the catalyst has a pore size distribution including at least 50% medium pores and if bismuth is present, 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.