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. 21, 2010
Filed:
Jan. 30, 2007
Applicants:
Vickie Haygood Osborne, Fall Branch, TN (US);
Phillip Wayne Turner, Blountville, TN (US);
Steven Leroy Cook, Kingsport, TN (US);
Inventors:
Vickie Haygood Osborne, Fall Branch, TN (US);
Phillip Wayne Turner, Blountville, TN (US);
Steven Leroy Cook, Kingsport, 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 a terephthalic acid di-ester by the esterification of terephthalic acid with an alcohol at elevated and normal temperature and pressure while the water of the reaction is removed from the reaction mixture via an inert gas or a column.