Patent · US Expired

Rifamycin R and microorganisms useful in the production of rifamycins

US4263404A · kind A · utility

3Cited by
1References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 29, 1976
Grant dateApr 21, 1981
Priority date
Expiry dateNov 29, 1996

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S435/886
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Novel rifamycin compounds, designated P, Q, R and U, produced by the fermentation of mutant strains of Streptomyces mediterranei.

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