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:
May. 05, 2014
Filed:
Sep. 26, 2011
Applicants:
Stephan Kretschmer, Stadtbergen, DE;
Bryan Moore, Spartanburg, SC (US);
Gordon Shaw, Charlotte, NC (US);
Miguel A. Osornio, Spartanburg, SC (US);
Inventors:
Stephan Kretschmer, Stadtbergen, DE;
Bryan Moore, Spartanburg, SC (US);
Gordon Shaw, Charlotte, NC (US);
Miguel A. Osornio, Spartanburg, SC (US);
Assignee:
INVISTA North America S.ar.l., Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 63/85 (2005.12);
U.S. Cl.
CPC ...
Abstract
The present invention relates to a process for producing PET based on titanium catalyst having acceptable properties for resin used in the production of bottles for beverages. More particularly the invention relates to a process in which the incoming pre-polymer temperature is higher than the final outlet temperature in the final melt phase polycondensation reactor.