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:
Oct. 08, 2024

Filed:

Mar. 09, 2021
Applicant:

Shibuya Corporation, Kanazawa, JP;

Inventors:

Toshiaki Naka, Kanazawa, JP;

Shigeki Koishi, Kanazawa, JP;

Akira Hatanaka, Kanazawa, JP;

Assignee:

SHIBUYA CORPORATION, Kanazawa, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 29/56 (2006.01); B01D 29/62 (2006.01); B01D 61/14 (2006.01);
U.S. Cl.
CPC ...
B01D 29/56 (2013.01); B01D 29/62 (2013.01); B01D 61/145 (2013.01); B01D 2201/085 (2013.01); B01D 2201/088 (2013.01); B01D 2311/2649 (2013.01); B01D 2311/2692 (2013.01);
Abstract

A liquid containing exosomes is filtered through a first filter that has a hole diameter that passes the exosomes and blocks cells, and is then stored in a first storage unit (rough filtration step). Next, pressure is applied to the inside of the first storage unit to pump the liquid to a pre-filtration chamber in a second filter that blocks the exosomes so that water in the liquid is filtered out into a post-filtration chamber. The exosome-containing liquid that was not filtered out is returned to the first storage unit, thereby increasing the exosome concentration in the liquid for extraction (concentration step). The exosome-containing concentrate in the first storage unit is then filtered through a third filter having a hole diameter that passes the exosomes and blocks bacteria, and is sent to a recovery unit (sterilization filtration step).


Find Patent Forward Citations

Naka, Toshiaki. (2024). Exosome extraction device and exosome extraction method (U.S. Patent No. 12109517). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12109517

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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