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:
Nov. 08, 2016
Filed:
Jul. 25, 2014
Applicant:
Sabic Global Technologies B.v., Bergen op Zoom, NL;
Inventors:
Husnu Alp Alidedeoglu, Evansville, IN (US);
Tianhua Ding, Newburgh, IN (US);
Ganesh Kannan, Sugar Land, TX (US);
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 63/85 (2006.01); C08J 11/24 (2006.01); C08G 63/183 (2006.01); C08G 63/80 (2006.01); C08G 63/78 (2006.01);
U.S. Cl.
CPC ...
C08G 63/85 (2013.01); C08G 63/183 (2013.01); C08G 63/78 (2013.01); C08G 63/80 (2013.01); C08J 11/24 (2013.01);
Abstract
Disclosed is an improved process for preparing a modified polyalkylene terephthalate by melt polycondensation followed optionally by solid state condensation comprising reacting an alkylene diol and polyethylene terephthalate, wherein polymerization occurs in the presence of a catalyst complex formed by reaction of tetra(alkyl) titanate and a compound selected from phosphorus-containing compounds, nitrogen-containing compounds, boroncontaining compounds, and combinations thereof.