US3928387A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antibiotic 1745A/X and methods for the production thereof
Assignee: F Hoffmann La Roche AG
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Filing: 1974-02-04
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Granted: 1975-12-23
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Expires: 1994-02-04
Abstract
Abstract A new antibiotic, designated as antibiotic 1745A/X, is produced by the fermentation of the known microorganism Streptomyces antibioticus, ATCC 11891, using the novel compound erythronolide A oxime as the substrate. This new antibiotic is useful as an antibacterial agent.
Inventors
- 👤 Richard Wightman Kierstead
- 👤 Ronald Andrew Lemahieu
- 👤 David Pruess
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:37
CPC Classifications
C; C07; C07H; C07H17/00; C07H17/04; C07H17/08; C07D; C07D313/00
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
5 words
THE COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
5 words
THE COMPOUND OF THE FORMULA
Claim 3
Dependent Claim
10 words
The compound of claim 1 which is erythronolide A oxime.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-12-22 | 1979-06-23 | 1979-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-12-22 | 1983-06-23 | 1983-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-12-22 | 1987-06-23 | 1987-12-23 | $7700.00 | Window Closed / Lapsed |