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:
May. 05, 2026
Filed:
Oct. 05, 2022
Contipro A.s., Dolni Dobrouc, CZ;
Tomas Medek, Usti nad Orlici, CZ;
Eliska Sestakova, Keblice, CZ;
Marek Pokorny, Cenkovice, CZ;
Vladimir Velebny, Zamberk, CZ;
CONTIPRO A.S., Dolni Dobrouc, CZ;
Abstract
The present invention refers to a method and device for the preparation of microfibres and nanofibres based on hyaluronic acid and/or a water-soluble metal or non-metal salt thereof or a mixture of salts and/or a derivative of hyaluronic acid by method of dry spinning, and two-dimensional or three-dimensional fibrous materials from this microfibres and nanofibres. The resulting 2D or 3D materials can be for example in the shape of layer or cotton wool. Furthermore, the present invention refers to a device for performing this method, that contains an extrusion part containing a pass-through channel, that has an inlet opening for feeding the spinning solution and a dispensing opening for dispensing the spinning solution and furthermore the device contains an air nozzle, the air outlet opening of which is arranged to direct the exiting air into the area surrounding the dispensing opening of the extrusion part parallel to the axis of the dispensing opening of the extrusion part.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile