Production method of nasal drop composition, and nasal drop composition
US11642380B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 29, 2021 |
| Grant date | May 9, 2023 |
| Priority date | — |
| Expiry date | Nov 20, 2041 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P11/12
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Provided are: a method for producing a nasal drop composition suitable for treatment or prevention of a disease or symptom in the nasal cavities; and a nasal drop composition produced by the production method. The nasal drop composition production method characterized by including a mixing step of mixing earthworm castings with water and a collecting step of collecting vaporized water generated from a mixture obtained in the mixing step to obtain a liquid; and the nasal drop composition produced by the production method. It is preferred to further mix an organic substance together with the earthworm castings and the water in the mixing step.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.