Patent · US Expired

Rifamycins P, Q and U

US4042683A · kind A · utility

9Cited by
0References
3Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 4, 1975
Grant dateAug 16, 1977
Priority date
Expiry dateAug 4, 1995

Classification

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

Abstract

This invention is directed to rifamycin compounds which are produced by fermentation of Nocardia mediterranea ATCC 31064, ATCC 31065 or ATCC 31066 in an aqueous nutrient medium under aerobic conditions. These rifamycins are referred to as rifamycin P, rifamycin Q, rifamycin R and rifamycin U.

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