Formulation of a micro drop pill and the preparation method thereof
US11013694B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 24, 2019 |
| Grant date | May 25, 2021 |
| Priority date | — |
| Expiry date | May 24, 2039 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P9/10
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention relates to a preparation method for a traditional Chinese medicine drop pill and a traditional Chinese medicine micro drop pill prepared by using the method, and in particular, the present invention relates to a micro drop pill preparation method with high drug-loading capacity, simple preparation process and high production rate and a micro drop pill prepared by using the method. Specially, The drop pill preparation method used comprises the following steps: (1) material melting step: heat melting a medicine and a drop pill matrix to obtain a molten medicine liquid; (2) dropping step: delivering the molten medicine liquid to a dripper, and acquiring medicine drops of the molten medicine liquid by means of vibration dropping; and, (3) condensation step: cooling the medicine drops with a cooling gas to obtain micro drop pills.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.