US3062718A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stable aqueous streptomycinpenicillin composition
Assignee: Pfizer Inc
•
Filing: 1959-10-27
•
Granted: 1962-11-06
•
Expires: 1979-10-27
Abstract
No abstract record available.
Inventors
- 👤 Allen J Spiegel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:32
CPC Classifications
C; C07; C07D; C07D499/00; C07D499/21; C07D499/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
37 words
AN INJECTABLE PHARMACEUTICAL COMPOSITION COMPRISING THERAPEUTICALLY EFFECTIVE CONCENTRATIONS OF 1-P-CHLOROBENZYL-2-N-PYRROLIDYL METHYLBENZIMIDAZOLE PENICILLIN SALT AND OF A PHARMACEUTICALLY ACCEPTABLE STREPTOMYCIN SALT, TOGETHER WITH A STABILIZING AMOUNT OF A PHARMACEUTICALLY ACCEPTABLE ANTIOXIDANT IN A SUBSTANTIALLY NEUTRAL AQUEOUS VEHICLE THEREFOR.
Claim 2
Dependent Claim
37 words
AN INJECTABLE PHARMACEUTICAL COMPOSITION COMPRISING THERAPEUTICALLY EFFECTIVE CONCENTRATIONS OF 1-P-CHLOROBENZYL-2-N-PYRROLIDYL METHYLBENZIMIDAZOLE PENICILLIN SALT AND OF A PHARMACEUTICALLY ACCEPTABLE STREPTOMYCIN SALT, TOGETHER WITH A STABILIZING AMOUNT OF A PHARMACEUTICALLY ACCEPTABLE ANTIOXIDANT IN A SUBSTANTIALLY NEUTRAL AQUEOUS VEHICLE THEREFOR.
References Cited (Backward Citations)
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Cited
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-05 | 1966-05-07 | 1966-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-05 | 1970-05-07 | 1970-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-05 | 1974-05-07 | 1974-11-06 | $7700.00 | Window Closed / Lapsed |