US3949077A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Synergistic antibiotic compositions
Assignee: Chinoin Private Co Ltd
•
Filing: 1970-09-30
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Granted: 1976-04-06
•
Expires: 1990-09-30
Abstract
Abstract The antibiotic primycin synergizes the effect of other antibiotics when used together therewith in amounts such that the primycin constitutes 5 to 50% by weight of the total antibiotic content.
Inventors
- 👤 Arpad Buzna
- 👤 Gabor Kulcsar
- 👤 Jeno Soltesz
- 👤 Tibor Valyl Nagy, deceased
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:03
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/70
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
19 words
A composition comprising equal amounts of primycin, neomycin sulfate and oxytetracycline in combination with a pharmaceutically acceptable carrier therefor.
Claim 2
Dependent Claim
19 words
A composition comprising equal amounts of primycin, neomycin sulfate and oxytetracycline in combination with a pharmaceutically acceptable carrier therefor.
References Cited (Backward Citations)
GB1159568A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-04-06 | 1979-10-06 | 1980-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-04-06 | 1983-10-06 | 1984-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-04-06 | 1987-10-06 | 1988-04-06 | $7700.00 | Window Closed / Lapsed |