US2956925A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antifungal antibiotic from s. coelicolor var. aminophilus
Assignee: Individual
•
Filing: 1957-01-14
•
Granted: 1960-10-18
•
Expires: 1977-01-14
Abstract
No abstract record available.
Inventors
- 👤 Wilfred E Wooldridge
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 05:39
CPC Classifications
A; A61; A61K; A61K35/00; A61K35/66; A61K35/74; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/822; Y10S435/886
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
ANTIFUNGAL SUBSTANCES COMPRISING THE ALCOHOL-SOLUBLE MATERIAL EXTRACTED FROM THE MYCELIUM FORMED ON FERMENTATION OF A CULTURE OF THE STREPTOMYCES NRRL 2390 IN A NUTRIENT MEDIUM, SAID MATERIAL BEING WATER-INSOLUBLE AND EXHIBITING THE INFRA-RED ABSORPTION SPECTRUM WHEN EVAPORATED ON A SALT WINDOW SUBSTANTIALLY AS SHOWN IN FIG.1 HAVING AN ABSORPTION BAND AT ABOUT 3.05 MICRONS INDICATING AN OH OR NH FUNCTION, AN ABSORPTION BAND AT ABOUT 3.4 MICRONS INDICATING A CH GROUP, AND AN AMIDE FUNCTION AT ABOUT 6.4 MICRONS.
Claim 2
Dependent Claim
79 words
ANTIFUNGAL SUBSTANCES COMPRISING THE ALCOHOL-SOLUBLE MATERIAL EXTRACTED FROM THE MYCELIUM FORMED ON FERMENTATION OF A CULTURE OF THE STREPTOMYCES NRRL 2390 IN A NUTRIENT MEDIUM, SAID MATERIAL BEING WATER-INSOLUBLE AND EXHIBITING THE INFRA-RED ABSORPTION SPECTRUM WHEN EVAPORATED ON A SALT WINDOW SUBSTANTIALLY AS SHOWN IN FIG.1 HAVING AN ABSORPTION BAND AT ABOUT 3.05 MICRONS INDICATING AN OH OR NH FUNCTION, AN ABSORPTION BAND AT ABOUT 3.4 MICRONS INDICATING A CH GROUP, AND AN AMIDE FUNCTION AT ABOUT 6.4 MICRONS.
References Cited (Backward Citations)
US2649401A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-10-18 | 1964-04-18 | 1964-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-18 | 1968-04-18 | 1968-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-18 | 1972-04-18 | 1972-10-18 | $7700.00 | Window Closed / Lapsed |