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. 13, 2011
Filed:
Sep. 11, 2009
Alan George Wonders, Longview, TX (US);
James Donald Simpson, Beaumont, TX (US);
Bruce Roger Debruin, Lexington, SC (US);
Alan George Wonders, Longview, TX (US);
James Donald Simpson, Beaumont, TX (US);
Bruce Roger DeBruin, Lexington, SC (US);
Grupo Petrotemex, S.A. de C.V., San Pedro Garza Garcia, MX;
Abstract
Processes for making polyesters in a polyester production facility are disclosed, that include the steps of forming a reaction medium comprising at least one monomer that includes terephthalic acid (TPA) and/or an ester derivative of TPA; subjecting at least a portion of the reaction medium to one or more chemical reactions in the polymer production facility to thereby produce the polyester; and heating the reaction medium at one or more locations in the polyester production facility, wherein at least 50 percent of the total energy input employed for the heating of the reaction medium is provided by indirect heat exchange between the reaction medium and steam.