Soft gelatin capsule containing angelica oil
US6753010B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 1, 2001 |
| Grant date | Jun 22, 2004 |
| Priority date | — |
| Expiry date | Jan 26, 2022 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P15/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention relates to a soft gelation capsule containing angelica essential oil which consists of capsule material and medicinal oil. Wherein the medicinal oil consists of angelica essential oil and vegetable oil with a weight ratio of 1:0-30. The capsule materials consist of gelatin, glycerol, water and Fe2O3. Among them angelica essential oil is preferably prepared with the method of CO2-supercritical extraction. The soft gelation capsule containing angelica essential oil retains ligustilide as a principal active constituent in angelica essential oil with a maximal limitation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.