Method for preparing granules or pills containing extracts in high concentration
US11191799B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 1, 2018 |
| Grant date | Dec 7, 2021 |
| Priority date | — |
| Expiry date | Jan 16, 2040 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K36/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention relates to a method for preparing a granule or a pill containing a plant, medicinal herb or traditional oriental medicine decoction extract, having the steps of: (a) injecting a powdered plant, medicinal herb or traditional oriental medicine decoction extract into a fluidized-bed device and spraying purified water or a solution of the same type of extract as the extract powder at the extract powder while fluidizing the same, thereby generating microgranules of the extract powder; and (b) injecting the microgranules generated at step (a) as seeds into the fluidized-bed device and spraying a solution of the extract while fluidizing the same, thereby growing the microgranules to a predetermined size of granule or pill. According to the present invention, it is possible to prepare a granule or a pill containing an extract in a high concentration.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.