US2969352A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antibiotic compounds
Assignee: Union Carbide Corp
•
Filing: 1955-01-25
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Granted: 1961-01-24
•
Expires: 1975-01-25
Abstract
No abstract record available.
Inventors
- 👤 Simon L Ruskin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:21
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/70; C; C07; C07H; C07H17/00; C07H17/04; C07H17/08
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
13 words
THE SODIUM SALT OF THE REACTION PRODUCT OF CARBOMYCIN AND B SULFOPROPIONIC ANHYDRIDE.
References Cited (Backward Citations)
US2653899A
Cited
US2699054A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-24 | 1964-07-25 | 1965-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-24 | 1968-07-25 | 1969-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-24 | 1972-07-25 | 1973-01-24 | $7700.00 | Window Closed / Lapsed |