US2903395A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aqueous calcium dioxytetracycline antibiotic composition
Assignee: Pfizer Inc
•
Filing: 1956-03-30
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Granted: 1959-09-08
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Expires: 1976-03-30
Abstract
No abstract record available.
Inventors
- 👤 Charles J Salivar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:02
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/65
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
45 words
A THERAPEUTIC COMPOSITION COMPRISING CALCIUM DIOXYTETRACYCLINE AND A PHARMACEUTICALLY ACCEPTABLE AQUEOUS VEHICLE THEREFOR WHEREIN THE CALCIUM DIOXYTETRACYCLINE IN FINELY DIVIDED FORM IS SUSPENDED IN AN AQUEOUS MEDIUM PREPARED FROM CALCIUM LACTATE, SODIUM ALGINATE, AND A POLYOXYETHYLENE DERIVATIVE OF A FATTY ACID ESTER OF A SORBITAN.
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Cited
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-07 | 1963-03-09 | 1963-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-07 | 1967-03-09 | 1967-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-07 | 1971-03-09 | 1971-09-08 | $7700.00 | Window Closed / Lapsed |