Patent · US Expired

Biologically active material

US3931397A · kind A · utility

45Cited by
2References
5Claims
0Family size

Assignee

Inventor

Key dates

Filing dateNov 8, 1973
Grant dateJan 6, 1976
Priority date
Expiry dateNov 8, 1993

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61K31/785
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

This invention relates to antiviral substances, to a method for their preparation, and to pharmaceutical compositions comprising them.

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