US3198787A
Expired / Lapsed
US
⏱️ 0.0 years remaining
6-[(alpha-phenoxy-lower alkanoyl)-amido]-penicillanic acid salts of propionyl erythromycin
Assignee: Sanofi Aventis France
•
Filing: 1962-01-23
•
Granted: 1965-08-03
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Expires: 1982-01-23
Abstract
No abstract record available.
Inventors
- 👤 Hagemann Guy
- 👤 Penasse Lucien
- 👤 Nomine Gerard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:28
CPC Classifications
C; C07; C07H; C07H17/00; C07H17/04; C07H17/08; C07D; C07D499/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
22 words
THE ACID ADDITION SALT OF A 6-((A-PHENOXY-LOWER ALKANOYL)-AMIDO)-PENICILLANIC ACID AND THE PROPIONIC ACID ESTER OFERYTHROMYCIN, SAID 6-((A-PHENOXY-LOWER ALKANOYL)-AMIDO)-PENICILLANIC ACID HAVING THE FORMULA
Claim 2
Dependent Claim
22 words
THE ACID ADDITION SALT OF A 6-((A-PHENOXY-LOWER ALKANOYL)-AMIDO)-PENICILLANIC ACID AND THE PROPIONIC ACID ESTER OFERYTHROMYCIN, SAID 6-((A-PHENOXY-LOWER ALKANOYL)-AMIDO)-PENICILLANIC ACID HAVING THE FORMULA
References Cited (Backward Citations)
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Cited
US3062718A
Cited
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Cited
US3109773A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-02 | 1969-02-01 | 1969-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-02 | 1973-02-01 | 1973-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-02 | 1977-02-01 | 1977-08-03 | $7700.00 | Window Closed / Lapsed |