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:
Jul. 07, 2020

Filed:

Jun. 28, 2016
Applicant:

Basf SE, Ludwigshafen, DE;

Inventors:

Zhenguo Liu, Shanghai, CN;

Siqi Xue, Suzhou, CN;

Ting Liu, Shanghai, CN;

Eason Sun, Shanghai, CN;

Assignee:

BASF SE, Ludwigshafen, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L 67/02 (2006.01); C08G 63/91 (2006.01); C08K 3/013 (2018.01); C08K 3/26 (2006.01); C08K 7/14 (2006.01);
U.S. Cl.
CPC ...
C08L 67/02 (2013.01); C08G 63/916 (2013.01); C08K 3/013 (2018.01); C08K 3/26 (2013.01); C08K 7/14 (2013.01);
Abstract

The present invention relates to a polyester composition comprising: (A) 15 to 99 wt % of polyester blend of two or more polyesters based on the total weight of the polyester composition, (B) 0.05 to 5 wt % of a transesterification accelerator based on the total weight of the polyester composition, wherein the transesterification accelerator comprises alkali metal carbonate salt, alkali earth metal carbonate salt, alkali metal bicarbonate salt, alkali earth metal bicarbonate salt and combination thereof, (C) optionally a reinforcing filler, and (D) optionally further an additive. The present invention also relates to an article prepared from the polyester composition and a method of preparing the article.


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