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:
Jan. 11, 2011
Filed:
Feb. 27, 2009
Bruce Roger Debruin, Gray, TN (US);
Tommy Ray Maddox, Ii, Lexington, SC (US);
John Alan Wabshall, Jr., Lexington, SC (US);
Steven Lee Stafford, Gray, TN (US);
Stephen Weinhold, Kingsport, TN (US);
Robert Noah Estep, Kingsport, TN (US);
Mary Therese Jernigan, Kingsport, TN (US);
Steven Paul Bellner, Kingsport, TN (US);
Alan George Wonders, Longview, TX (US);
John Guy Franjione, Johnson City, TN (US);
Bruce Roger DeBruin, Gray, TN (US);
Tommy Ray Maddox, II, Lexington, SC (US);
John Alan Wabshall, Jr., Lexington, SC (US);
Steven Lee Stafford, Gray, TN (US);
Stephen Weinhold, Kingsport, TN (US);
Robert Noah Estep, Kingsport, TN (US);
Mary Therese Jernigan, Kingsport, TN (US);
Steven Paul Bellner, Kingsport, TN (US);
Alan George Wonders, Longview, TX (US);
John Guy Franjione, Johnson City, TN (US);
Eastman Chemical Company, Kingsport, TN (US);
Abstract
A process for producing non-solid-stated polyester polymer particles having one or more properties similar to polyester polymer particles that have undergone solid-state processing. In one embodiment, the process comprises (a) forming polyester polymer particles from a polyester polymer melt; (b) quenching at least a portion of the particles, (c) drying at least a portion of the particles, (d) crystallizing at least a portion of the particles, (e) annealing at least a portion of the particles. At all points during and between steps (b) through (e), the average bulk temperature of the particles is maintained above 165° C.