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. 08, 2015
Filed:
Jul. 18, 2014
Applicant:
Sabic Global Technologies B.v, Bergen op Zoom, BL;
Inventors:
Philip Wesley Bell, Mount Vernon, IN (US);
Osit Karroonnirun, Mount Vernon, IN (US);
Shankar Kollengodu Subramanian, Evansville, IN (US);
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 63/02 (2006.01); C08J 11/24 (2006.01); C08G 63/00 (2006.01);
U.S. Cl.
CPC ...
C08J 11/24 (2013.01); C08G 63/00 (2013.01);
Abstract
A method of recycling bis(hydroxyalkyl) terephthalate monomer from a composition comprising a terephthalate-containing polymer includes depolymerizing the terephthalate-containing polymer to provide the bis(hydroxyalkyl) terephthalate; and separating the bis(hydroxyalkyl) terephthalate from the composition comprising the depolymerized terephthalate-containing polymer by continuous multi-column liquid chromatography.