US3351527A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilized benzathine penicillin compositions
Assignee: Wyeth LLC
•
Filing: 1964-10-01
•
Granted: 1967-11-07
•
Expires: 1984-10-01
Abstract
No abstract record available.
Inventors
- 👤 Joseph K Apat
- 👤 Joseph E Brady
- 👤 William F Elias
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 08:05
CPC Classifications
A; A61; A61K; A61K9/00; A61K9/0012; A61K9/0019; A61K31/00; A61K31/33; A61K31/395; A61K31/41; A61K31/425; A61K31/429; A61K31/43
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
27 words
A STABILIZED THERAPEUTIC COMPOSITION CONSISTING OF COMMINUTED CRYSTALS OF BENZATHINE PENICILLIN G IN AN AQUEOUS SUSPENDING MEDIUM WHICH INCLUDES A MINOR STORAGE-STABILIZING AMOUNT OF SODIUM FORMALDEHYDE SULFOXYLATE.
Claim 2
Dependent Claim
27 words
A STABILIZED THERAPEUTIC COMPOSITION CONSISTING OF COMMINUTED CRYSTALS OF BENZATHINE PENICILLIN G IN AN AQUEOUS SUSPENDING MEDIUM WHICH INCLUDES A MINOR STORAGE-STABILIZING AMOUNT OF SODIUM FORMALDEHYDE SULFOXYLATE.
References Cited (Backward Citations)
US2627491A
Cited
US2745785A
Cited
US2872375A
Cited
US2966442A
Cited
US2951015A
Cited
US3004891A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-11-06 | 1971-05-08 | 1971-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-06 | 1975-05-08 | 1975-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-06 | 1979-05-08 | 1979-11-07 | $7700.00 | Window Closed / Lapsed |