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:
Jan. 24, 2023
Filed:
May. 22, 2018
Applicant:
Basf SE, Ludwigshafen am Rhein, DE;
Inventors:
Klaus Scheuermann, Ludwigshafen am Rhein, DE;
Robert Loos, Ludwigshafen am Rhein, DE;
Andreas Garbe, Ludwigshafen am Rhein, DE;
Kevin Müller, Ludwigshafen am Rhein, DE;
Assignee:
BASF SE, Ludwigshafen am Rhein, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 63/183 (2006.01); C08K 5/29 (2006.01); D01F 6/84 (2006.01); D01F 6/92 (2006.01);
U.S. Cl.
CPC ...
C08G 63/183 (2013.01); C08K 5/29 (2013.01); D01F 6/84 (2013.01); D01F 6/92 (2013.01); D10B 2331/04 (2013.01);
Abstract
The present invention relates to an aliphatic-aromatic polyester having a whiteness index according to ASTM E 313-73 of at least 25, to a process for preparation thereof and to the use of the aliphatic-aromatic polyester for production of polyester fibers (PF). The present invention further relates to the polyester fibers (PF) comprising the aliphatic-aromatic polyester.