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US3541084A
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Process for synthesizing semisynthetic penicillins using n-hydroxy succinimide mono-and dichloroacetate esters
Assignee: Toyo Jozo KK
•
Filing: 1967-09-14
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Granted: 1970-11-17
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Expires: 1987-09-14
Abstract
No abstract record available.
Inventors
- 👤 Akira Hagitani
- 👤 Ichiro Muramatsu
- 👤 Shunpei Sakakibara
- 👤 Jinnosuke Abe
- 👤 Tetsuo Watanabe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:52
CPC Classifications
C; C07; C07D; C07D499/00; C07K; C07K5/00; C07K5/04; C07K5/06; C07K5/06008; C07K5/06017; C07K5/06026; C07K5/06078
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2518156A
Cited
US3317559A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-16 | 1974-05-18 | 1974-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-16 | 1978-05-18 | 1978-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-16 | 1982-05-18 | 1982-11-17 | $7700.00 | Window Closed / Lapsed |