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. 05, 2007
Filed:
Mar. 10, 2005
Robert Lin, Kingsport, TN (US);
Timothy Alan Upshaw, Kingsport, TN (US);
Duane Alan Hall, Lexington, SC (US);
Kenny Randolph Parker, Afton, TN (US);
Robert Lin, Kingsport, TN (US);
Timothy Alan Upshaw, Kingsport, TN (US);
Duane Alan Hall, Lexington, SC (US);
Kenny Randolph Parker, Afton, TN (US);
Eastman Chemical Company, Kingsport, TN (US);
Abstract
The present invention relates to a process by which a carboxylic acid/diol mixture is obtained from a carboxylic acid/solvent slurry without isolation of a substantially dry carboxylic acid solid. More specifically, the present invention relates to a process by which a terephthalic acid/ethylene glycol mixture is obtained from a terephthalic acid/solvent slurry without isolation of a substantially dry terephthalic acid solid.