Patent · US Expired

Process of preparation of antibiotic F.I. 1762 derivatives

US4012284A · kind A · utility

6Cited by
0References
3Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 6, 1964
Grant dateMar 15, 1977
Priority date
Expiry dateOct 6, 1984

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S435/947
  • WIPO fieldBiotechnology
  • WIPO sectorChemistry

Abstract

1. A process for the preparation of a new antibiotic F.I. 1762, which comprises cultivating the Streptomyces 1762 under aerobic conditions in a liquid nutrient medium containing a carbon source, a nitrogen source and mineral salts, at a temperature between 25.degree. and 37.degree. C, over a period of time from 3 to 7 days, and extracting the formed antibiotic from the fermentation broth at a pH between 8 and 9 by means of a water-immiscible solvent, isolating and purifying the antibiotic F.I. 1762.

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