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:
Sep. 25, 2007
Filed:
Oct. 28, 2004
Philip Edward Gibson, Kingsport, TN (US);
Kenny Randolph Parker, Afton, TN (US);
Howard Wood Jenkins, Jr., West Columbia, SC (US);
Philip Edward Gibson, Kingsport, TN (US);
Kenny Randolph Parker, Afton, TN (US);
Howard Wood Jenkins, Jr., West Columbia, SC (US);
Eastman Chemical Company, Kingsport, TN (US);
Abstract
A process is disclosed that relates to the removal of impurities and the recovery of a mother liquor and wash filtrate from an oxidizer purge stream produced in the synthesis of carboxylic acid, typically terephthalic. More particularly, the process involves the removal of impurities and the recovery of a mother liquor and wash filtrate from an oxidizer purge stream and then routing the mother liquor and or wash filtrate to an oxidation zone.