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. 27, 2007
Filed:
Apr. 22, 2005
Applicants:
Stefan Deiss, Harxheim, DE;
Klaus Kirsten, Main, DE;
Lutz Janko, Erzhausen, DE;
Maik Rau, Hattersheim, DE;
Inventors:
Stefan Deiss, Harxheim, DE;
Klaus Kirsten, Main, DE;
Lutz Janko, Erzhausen, DE;
Maik Rau, Hattersheim, DE;
Assignee:
Lurgi Zimmer GmbH, Frankfurt am Main, DE;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08G 63/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
Thermoplastic polyesters are made by a method in which precondensation is carried in a column whose sections are formed with structured packings and operated at subatmospheric, pressure.