Extracts of Marsdenia cundurango Reichenbach fil
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United States of America Patent
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Mar 16, 1982
Grant Date -
N/A
app pub date -
Aug 18, 1980
filing date -
Aug 23, 1979
priority date (Note) -
Expired
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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.
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