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:
Sep. 17, 2024
Filed:
Oct. 17, 2019
Applicant:
Evonik Operations Gmbh, Essen, DE;
Inventors:
Lan de Gans Li, Mülheim an der Ruhr, DE;
Martin Wielpütz, Senden, DE;
Markus Hartmann, Sendenhorst, DE;
Dirk Heinrich Bücker, Ratingen, DE;
Assignee:
Evonik Operations GmbH, Essen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D02J 1/22 (2006.01); C08G 65/40 (2006.01); D01D 10/02 (2006.01); D01F 6/66 (2006.01);
U.S. Cl.
CPC ...
D02J 1/224 (2013.01); C08G 65/4012 (2013.01); D01D 10/02 (2013.01); D01F 6/665 (2013.01);
Abstract
Stretched filaments based on aromatic polyethers, wherein the filaments have been stretched at a temperature between glass transition temperature and melting point and wherein the filaments are cooled down to below the glass transition temperature under full tensile load and a process for production thereof and use thereof.