Process for purifying (-)-Δ9-trans-tetrahydrocannabinol
US7449589B2 · kind B2 · utility
11Cited by
1References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 17, 2004 |
| Grant date | Nov 11, 2008 |
| Priority date | — |
| Expiry date | Dec 17, 2024 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P43/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A process for separating (−)-Δ9-trans-tetrahydrocannabinol from a mixture of cannabinoids is disclosed. The process comprises at least one chromatographic step wherein a mobile phase passes trough a stationary phase. The stationary phase comprises a derivatised polysaccharide and the mobile phase comprises carbon dioxide.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.