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:
Apr. 18, 2023
Filed:
Mar. 16, 2018
Applicant:
Fresenius Medical Care Deutschland Gmbh, Bad Homburg, DE;
Inventors:
Assignee:
FRESENIUS MEDICAL CARE DEUTSCHLAND GMBH, Bad Homburg, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 69/08 (2006.01); A61M 1/16 (2006.01); A61L 2/07 (2006.01); B01D 61/24 (2006.01); B01D 63/02 (2006.01); B01D 71/68 (2006.01);
U.S. Cl.
CPC ...
B01D 69/084 (2013.01); A61L 2/07 (2013.01); A61M 1/1621 (2014.02); A61M 1/1686 (2013.01); B01D 61/243 (2013.01); B01D 63/02 (2013.01); B01D 69/081 (2013.01); B01D 69/087 (2013.01); B01D 71/68 (2013.01); A61L 2202/24 (2013.01); A61M 2207/00 (2013.01);
Abstract
The invention relates to an undulated thermostable hollow fiber membrane of reduced wall thickness, wherein the wall thickness amounts to 20 μm or greater and 30 μm or less and the waveform of the hollow fiber membrane exhibits a wavelength in the range of from more than 1 mm and less than 5 mm. In particular, the invention relates to a method for producing an undulated thermostable hollow fiber membrane of lower wall thickness.