Patent · US Expired

Extracts of Marsdenia cundurango Reichenbach fil

US4320120A · kind A · utility

1Cited by
1References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 18, 1980
Grant dateMar 16, 1982
Priority date
Expiry dateAug 18, 2000

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61K36/27
  • 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 insoluble in carbon tetrachloride or aromatic hydrocarbons.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.