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, 2010
Filed:
Apr. 03, 2007
Applicants:
Steven Leroy Cook, Kingsport, TN (US);
Phillip Wayne Turner, Blountville, TN (US);
Vickie Haygood Osborne, Fall Branch, TN (US);
Inventors:
Steven Leroy Cook, Kingsport, TN (US);
Phillip Wayne Turner, Blountville, TN (US);
Vickie Haygood Osborne, Fall Branch, TN (US);
Assignee:
Eastman Chemical Company, Kingsport, TN (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07C 69/76 (2006.01);
U.S. Cl.
CPC ...
Abstract
Disclosed is a process for the preparation of di-n-butyl terephthalate by the esterification of terephthalic acid with n-butanol in the presence of a strong acid while employing a fractionating column.