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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.:

US 12059438 B1

PDFFull Text
Date of Patent:
Aug. 13, 2024

Filed:

Sep. 23, 2021

Eyedrop applicable to limbal stem cell deficiency and preparation

Applicant:

Qingdao Haier Biotech Co., Ltd, Qingdao, CN;

Inventors:

Qilong Cao, Qingdao, CN;

Fei Wang, Qingdao, CN;

Hui Li, Qingdao, CN;

Guohu Di, Qingdao, CN;

Assignee:

QINGDAO HAIER BIOTECH CO., LTD, Qingdao, CN;

Attorney:

CBM PATENT CONSULTING, LLC

Primary Examiner:

Rosanne Kosson

Int. Cl.
CPC ...
A61K 31/00 (2006.01); A61K 9/00 (2006.01); A61K 35/28 (2015.01); A61K 47/18 (2017.01); A61K 47/24 (2006.01); A61K 47/36 (2006.01); C12N 5/0775 (2010.01);
U.S. Cl.
CPC ...
A61K 35/28 (2013.01); A61K 9/0048 (2013.01); A61K 47/186 (2013.01); A61K 47/24 (2013.01); A61K 47/36 (2013.01); C12N 5/0667 (2013.01); C12N 2509/00 (2013.01);
Abstract

The present disclosure relates to an eyedrop applicable to limbal stem cell deficiency and a preparation method, wherein each liter of the eyedrop includes the following components: 1 to 40 mg of human adipose-derived stem cell exosomes, excipients: 0.5 to 2 g of sodium hyaluronate, 0.5 to 3 g of vitamin B6 and 0.05 to 0.3 g of benzalkonium chloride, and the balance of medical normal saline, a pH of the eyedrop is 6.5 to 7.5; and the eyedrop of the present disclosure is effective in treating limbal stem cell deficiency.

Find Patent Forward Citations

Cao, Qilong. (2024). Eyedrop applicable to limbal stem cell deficiency and preparation (U.S. Patent No. 12059438). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12059438

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

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