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:
Apr. 21, 2026

Filed:

Aug. 20, 2020
Applicants:

West China Hospital, Sichuan University, Chengdu, CN;

Sichuan Wange Agricultural Technology Co., Ltd., Chengdu, CN;

Inventors:

Meiling Sun, Chengdu, CN;

Jie Liu, Chengdu, CN;

Wen Liao, Chengdu, CN;

Minjun Liao, Chengdu, CN;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
A61K 36/52 (2006.01); A61P 31/04 (2006.01);
U.S. Cl.
CPC ...
A61K 36/52 (2013.01); A61P 31/04 (2018.01); A61K 2236/331 (2013.01); A61K 2236/333 (2013.01); A61K 2236/37 (2013.01); A61K 2236/39 (2013.01); A61K 2236/51 (2013.01); A61K 2236/53 (2013.01);
Abstract

Flavonoid extract ofleaves is used in the preparation of antibacterial drugs and/or antibacterial agents against the bacteria that are resistant to conventional antibiotics. Experiments have proved that the flavonoid extract ofleaves has obvious killing effect on methicillin-resistantstrains, which provides a potential resolution to the problem that methicillin-resistantstrains are resistant to most beta-lactam antibiotics.


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Sun, Meiling. (2026). Flavonoid extract ofleaves and antibacterial drugs and/or antibacterial agents containing thereof (U.S. Patent No. 12605419). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12605419

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