Extracts of Marsdenia cundurango Reichenbach fil
US4320119A · kind A · utility
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4Claims
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Assignee
Inventors
Key dates
| Filing date | Aug 18, 1980 |
| Grant date | Mar 16, 1982 |
| Priority date | — |
| Expiry date | Aug 18, 2000 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P35/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
New extracts of Marsdenia cundurango Reichenbach fil., processes for preparing them, antitumor agents comprising them, compositions containing them and methods of treating tumor with them are described herein in which the extracts consist essentially of the portion of Marsdenia cundurango Reichenbach fil. which is soluble in lower alcohols and in chlorinated hydrocarbons other than carbon tetrachloride and is insoluble in aliphatic hydrocarbons.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.