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:
Jun. 22, 2021
Filed:
Dec. 05, 2018
Applicant:
Bp Corporation North America Inc., Houston, TX (US);
Inventor:
Brian Benjamin, Chicago, IL (US);
Assignee:
Ineos US Chemicals Company, Naperville, IL (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 7/14 (2006.01); C07C 7/00 (2006.01); C07C 7/12 (2006.01); C07C 15/08 (2006.01);
U.S. Cl.
CPC ...
C07C 7/14 (2013.01); C07C 7/005 (2013.01); C07C 7/12 (2013.01); C07C 15/08 (2013.01);
Abstract
A method of recovering paraxylene in a crystallization zone. The crystallization zone includes at least two crystallization stages and two reslurry stages. The method provides for lower throughput through the crystallization zone, resulting in lower capital costs, reduced electricity in operating separation equipment, as well as reduced refrigeration duty.