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:
May. 26, 2009
Filed:
Jan. 08, 2007
Fernando Antonio Pessoa Cavalcanti, Lafayette Hill, PA (US);
Scott Han, Lawrenceville, NJ (US);
Peter David Klugherz, Huntingdon Valley, PA (US);
Andrew Michael Lemonds, Blue Bell, PA (US);
Daniel J. Martenak, Perkasie, PA (US);
Elsie Mae Vickery, Jenkintown, PA (US);
Donald Lee Zolotorofe, Ivyland, PA (US);
Fernando Antonio Pessoa Cavalcanti, Lafayette Hill, PA (US);
Scott Han, Lawrenceville, NJ (US);
Peter David Klugherz, Huntingdon Valley, PA (US);
Andrew Michael Lemonds, Blue Bell, PA (US);
Daniel J. Martenak, Perkasie, PA (US);
Elsie Mae Vickery, Jenkintown, PA (US);
Donald Lee Zolotorofe, Ivyland, PA (US);
Rohm and Haas Company, Philadelphia, PA (US);
Abstract
A mixed metal oxide, which may be an orthorhombic phase material, is regenerated, selectively enriched or selectively poisoned as a catalyst to reduce catalyst aging for the production of unsaturated carboxylic acids, or unsaturated nitrites, from alkanes, or mixtures of alkanes and alkenes, by contacting said mixed metal oxide with a an oxidizing gas such as oxygen, air, steam and combinations thereof is permitted to flow through the catalyst in a regenerator at a temperature of from 300° C. to 600° C. to form said regenerated catalyst.