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.

Date of Patent:
Dec. 27, 2016

Filed:

Oct. 24, 2012
Applicant:

Furanix Technologies B.v., Amsterdam, NL;

Inventors:

Laszlo Sipos, Amsterdam, NL;

Gerardus Johannes Maria Gruter, Amsterdam, NL;

Jeffrey John Kolstad, Amsterdam, NL;

Matheus Adrianus Dam, Amsterdam, NL;

Assignee:

Furanix Technologies B.V., Amsterdam, NL;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 63/80 (2006.01); C08G 63/181 (2006.01); C08G 63/672 (2006.01); C08G 63/86 (2006.01); B29C 49/00 (2006.01);
U.S. Cl.
CPC ...
C08G 63/80 (2013.01); C08G 63/181 (2013.01); C08G 63/672 (2013.01); C08G 63/866 (2013.01); B29C 49/0005 (2013.01); B29K 2023/06 (2013.01);
Abstract

A process for preparing a polymer having a 2,5-furandicarboxylate moiety within the polymer backbone, and having a number average molecular weight of at least 25,000, includes a transesterification step, a polycondensation step, a drying and/or crystallizing step, and a step where the polymer is subjected to post condensation conditions, and to a polyester-containing bottle or film or fiber-containing woven or non-woven object made from melt-processing poly(ethylene-2,5-furandicarboxylate), where the poly(ethylene-2,5-furandicarboxylate) is obtainable by the process of the invention.


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