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. 19, 2015
Filed:
Aug. 23, 2012
Scott Han, Lawrenceville, NJ (US);
Edward C. Bayer, Philadelphia, PA (US);
Andrew M. Lemonds, Schwenksville, PA (US);
Daniel J. Martenak, Perkasie, PA (US);
Nelson I. Quiros, Houston, TX (US);
Scott Han, Lawrenceville, NJ (US);
Edward C. Bayer, Philadelphia, PA (US);
Andrew M. Lemonds, Schwenksville, PA (US);
Daniel J. Martenak, Perkasie, PA (US);
Nelson I. Quiros, Houston, TX (US);
Abstract
A process for producing unsaturated carboxylic acids or unsaturated nitriles by vapor phase oxidation reaction of their corresponding Cto Calkanes, Cto Calkenes, and mixtures thereof, as a hydrocarbon starting material, wherein the process performance is monitored and the path of gasses through catalyst beds is altered. Improved catalyst lifetimes may be achieved.