# US 11,026,961 B2 · Use of biosurfactant

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- Number: US 11,026,961 B2
- Document ID: US11026961B2
- Status: Granted
- Kind: B2
- Application number: 16/473,555
- Filed: 2017-12-18
- Published: 2020-05-07
- Granted: 2021-06-08
- Earliest claimed: 2016-12-27
- Assignees: Hiroshima University; Toyobo Co., Ltd.
- Applicants: Hiroshima University; Toyobo Co., Ltd.
- Inventors: Shuhei Yamamoto; Masao Kitabayashi; Keiichi Hisaeda; Naoki Isobe
- Web page: https://patentgrep.com/patent/US11026961B2

## CPC

- A23K 50/10: for ruminants
- A61K 31/7032: attached to a polyol, i.e. compounds having two or more free or esterified hydroxy groups, including the hydroxy group involved in the glycosidic linkage, e.g. monoglucosyldiacylglycerides, lactobionic acid, gangliosides
- A61K 9/0017: {Non-human animal skin, e.g. pour-on, spot-on}
- A61P 1/00: Drugs for disorders of the alimentary tract or the digestive system
- A61P 15/14: for lactation disorders, e.g. galactorrhoea
- A23K 20/105: Aliphatic or alicyclic compounds
- A23K: FODDER
- A61K: PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES (devices or methods specially adapted for bringing pharmaceutical products into particular physical or administering forms A61J3/00; chemical aspects of, or use of materials for deodorisation of air, for disinfection or sterilisation, or for bandages, dressings, absorbent pads or surgical articles A61L; soap compositions C11D)
- A61P: SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS

## Abstract

An object is to provide a novel means for ameliorating mastitis or improving milk production. An ameliorating or therapeutic agent for mastitis that contains a biosurfactant, or a milk production promoting agent that contains a biosurfactant, is provided.

## Claims

### Claim 1

A method for ameliorating or treating mastitis, comprising topically applying an effective amount of a biosurfactant to an udder of a ruminant in need thereof at a frequency of at least once a day for at least 7 days.

### Claim 2

A method for promoting milk production, comprising topically applying an effective amount of a biosurfactant to an udder of a ruminant in need thereof at a frequency of at least once a day for at least 3 days.