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. 22, 2011
Filed:
Aug. 16, 2005
Applicants:
Brigitta Otto, Mitlow, DE;
Karl-heinz Heldmann, Raunheim, DE;
Eckhard Seidel, Frankfurt, DE;
Inventors:
Assignee:
Lurgi Zimmer GmbH, Frankfurt am Main, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08G 18/77 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to mixtures comprising at least one polyester precursor and at least one alkali- and/or alkaline-earth metal salt where the mixture contains at least one phosphonic acid ester of the Formula (I)(RO)OC—R'—PO(OR)  (I)where independently R represents a group with 1 to 60 carbon atoms and R′ represents a group with 1 to 20 carbon atoms. Furthermore, the present invention relates to the polyester compositions which can be produced from the mixtures and to the resulting polyester films.