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.

Date of Patent:
Dec. 21, 2021

Filed:

Aug. 30, 2021
Applicant:

King Abdulaziz University, Jeddah, SA;

Inventors:

Iqbal Ahmed Moujdin, Jeddah, SA;

Rosli Bin Mohd Yunus, Jeddah, SA;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D01F 1/08 (2006.01); D01D 5/24 (2006.01); D01D 4/02 (2006.01);
U.S. Cl.
CPC ...
D01F 1/08 (2013.01); D01D 4/025 (2013.01); D01D 5/24 (2013.01);
Abstract

A multi-angle spinneret for forming hollow fibers is provided. The multi-angle spinneret includes a body defining a dope chamber, a bore needle channel, and multiple dope channels being oriented at a minimum of two distinct dope channel angles relative to the dope chamber. The body includes a bore needle disposed in the bore needle channel and oriented substantially perpendicular relative to the dope chamber. The bore needle extends though the dope chamber, such that a bore fluid flow through the bore needle is kept separate from a dope flow through the dope channels. A bore fluid outlet is positioned within a dope outlet of the dope chamber, such that a bore fluid flow out of the bore fluid outlet is substantially coaxial with and substantially centered within a dope flow out of the dope outlet.


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Moujdin, Iqbal. (2021). Method of forming polymer hollow fiber (U.S. Patent No. 11203819). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11203819

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