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. 05, 2015
Filed:
Dec. 07, 2011
Applicants:
Scott Han, Lawrenceville, NJ (US);
Christopher Frick, Pottstown, PA (US);
Daniel J. Martenak, Perkasie, PA (US);
Inventors:
Scott Han, Lawrenceville, NJ (US);
Christopher Frick, Pottstown, PA (US);
Daniel J. Martenak, Perkasie, PA (US);
Assignee:
Rohm and Haas Company, Philadelphia, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 51/215 (2006.01); B01J 8/06 (2006.01);
U.S. Cl.
CPC ...
C07C 51/215 (2013.01); B01J 8/067 (2013.01); B01J 2208/00061 (2013.01); B01J 2208/00212 (2013.01); B01J 2219/002 (2013.01); B01J 2219/00213 (2013.01);
Abstract
The amount of propionic acid produced in the process of oxidizing propane to acrylic acid is reduced by using a reactor with a length/diameter ratio >10 and/or maintaining the difference between the target reaction temperature and the peak temperature within the reactor to less than 20° C.