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:
Oct. 03, 2006
Filed:
Nov. 11, 2002
Eike Schultz Van Endert, Berlin, DE;
Rainer Hagen, Berlin, DE;
Thomas Hille, Berlin, DE;
Christian Atlas, Berlin, DE;
Ulrich Thiele, Bruchköbel, DE;
Eike Schultz Van Endert, Berlin, DE;
Rainer Hagen, Berlin, DE;
Thomas Hille, Berlin, DE;
Christian Atlas, Berlin, DE;
Ulrich Thiele, Bruchköbel, DE;
Inventa-Fischer GmbH & Co. KG, Berlin, DE;
Abstract
The invention relates to a method for producing high-molecular polyester such as polyethylene terephthalate (PET), polybutylene terephthalate (PBT), polynaphthalene terephthalate (PEN), polytrimethylene terephthalate (PTT) and/or polyester of other dicarboxylic acids and diols, including the copolymers of the same. The invention also relates to a device for carrying out said method, the device being a single-stage tower reactor by which means a method involving only two reactors is carried out for the entire process.