US3719563A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for producing 7-(5-amino-5-carboxyvaleramido)-7-methoxycephalosporamic acid
Assignee: Eli Lilly and Co
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Filing: 1970-08-03
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Granted: 1973-03-06
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Expires: 1990-08-03
Abstract
Abstract ANTIBIOTIC AL6884 AND ITS SALTS, HAVING ANTIBACTERIAL AND ANTHELMINTIC ACTIVITY, PREPARED BY FERMENTATION OF STREPTOMYCES LIPMANII NRRL 35984.
Inventors
- 👤 M Hoehn
- 👤 R Hamill
- 👤 C Higgens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:18
CPC Classifications
C; C12; C12P; C12P35/00; C12P35/08; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/822; Y10S435/886
Claims Analysis
Total Claims: 0
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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) | 1976-03-05 | 1976-09-04 | 1977-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-03-05 | 1980-09-04 | 1981-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-03-05 | 1984-09-04 | 1985-03-06 | $7700.00 | Window Closed / Lapsed |