Patent US3342810A successfully refreshed from Google Patents.
US3342810A
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Derivatives of rifamycin sv
Assignee: Gruppo Lepetit SpA
•
Filing: 1965-07-09
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Granted: 1967-09-19
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Expires: 1985-07-09
Abstract
No abstract record available.
Inventors
- 👤 Maggi Nicola
- 👤 Sensi Piero
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 13:20
CPC Classifications
C; C07; C07D; C07D498/00; C07D498/02; C07D498/08; A; A47; A47F; A47F5/00; A61; A61K; A61K31/00; A61K31/33; A61K31/395; G; G09; G09F; G09F5/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
11 words
A PROCESS FOR PREPARING A RIFAMYCIN SV DERIVATIVE OF THE FORMULA
Claim 2
Dependent Claim
11 words
A PROCESS FOR PREPARING A RIFAMYCIN SV DERIVATIVE OF THE FORMULA
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-09-18 | 1971-03-20 | 1971-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-18 | 1975-03-20 | 1975-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-18 | 1979-03-20 | 1979-09-19 | $7700.00 | Window Closed / Lapsed |