Extracts of Cynanchum sp. and active ingredients contained therein in use of arthritis treatment
US9549958B2 · kind B2 · utility
0Cited by
7References
5Claims
0Family size
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Key dates
| Filing date | Apr 27, 2012 |
| Grant date | Jan 24, 2017 |
| Priority date | — |
| Expiry date | Jan 22, 2033 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D471/04
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
An extract of Cynanchum sp. in use of arthritis treatment is provided. The extract of Cynanchum sp. and an active ingredient contained therein, antofine, are applicable to a method, pharmaceutical composition and dietary supplement for treatment of arthritis. A mass production of antofine from plant extracts is also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.