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:
Aug. 23, 2016
Filed:
Dec. 30, 2014
Applicant:
Bp Corporation North America Inc., Naperville, IL (US);
Inventor:
Thomas M. Bartos, Naperville, IL (US);
Assignee:
BP Corporation North America Inc., Houston, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 51/16 (2006.01); C07C 51/42 (2006.01); C07C 51/265 (2006.01); C07C 51/47 (2006.01); C07C 51/43 (2006.01);
U.S. Cl.
CPC ...
C07C 51/42 (2013.01); C07C 51/265 (2013.01); C07C 51/43 (2013.01); C07C 51/47 (2013.01);
Abstract
Processes for manufacturing a purified aromatic carboxylic acid include heating a purification reaction mixture in a pre-heating zone, the purification reaction mixture comprising a crude aromatic carboxylic acid and a solvent, and purifying the crude aromatic carboxylic acid in the purification reaction mixture to form a purified aromatic carboxylic acid product. One or more operations are maintained at a pressure above ambient in order to achieve energy savings.