Patent EP0069483A2 successfully refreshed from Google Patents.
US3484437A
Expired / Lapsed
US
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Derivatives of 7 - amino - cephalo-sporanic acid and process for their manufacture
Assignee: BASF Corp
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Filing: 1964-10-06
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Granted: 1969-12-16
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Expires: 1984-10-06
Abstract
No abstract record available.
Inventors
- 👤 Jakob Urech
- 👤 Bruno Fechtig
- 👤 Rolf Bosshardt
- 👤 Hans Bickel
- 👤 Karl Schenker
- 👤 Max Wilhelm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:56
CPC Classifications
C; C07; C07D; C07D501/00; C07D501/02; C07D501/04; A; A23; A23B; A23B2/00; A23B2/70; A23B2/725; A23B2/729; A23B2/771; A23K; A23K20/00; A23K20/10; A23K20/195; A61; A61K; A61K31/00; A61K31/33; A61K31/395; A61K31/54; A61K31/542; A61K31/545; C07D501/14; C07D501/16; C07D501/20; C07D501/24; C07D501/26; C07D501/28; Y; Y02; Y02A; Y02A50/00; Y02A50/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-15 | 1973-06-16 | 1973-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-15 | 1977-06-16 | 1977-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-15 | 1981-06-16 | 1981-12-16 | $7700.00 | Window Closed / Lapsed |