USRE29903E
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antibacterial antibiotics AM31α, AM31β and AM31γ
Assignee: Wyeth Holdings LLC
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Filing: 1977-02-22
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Granted: 1979-02-06
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Expires: 1997-02-22
Abstract
Abstract This disclosure describes a novel class of antibiotics, three of which have been designed AM31α, AM31β, and AM31γ and are produced in a microbiological fermentation under controlled conditions using a new strain of Streptoverticillium netropsis.
Inventors
- 👤 Jane P. Kirby
- 👤 Donald B. Borders
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-10 02:09
CPC Classifications
C; C07; C07H; C07H15/00; C07H15/02; C07H15/04; C12; C12N; C12N1/00; C12N1/20; C12N1/205; C12P; C12P19/00; C12P19/44; C12R; C12R2001/00; C12R2001/01; C12R2001/625
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
168 words
acid-addition salts thereof..]. .[.2. A compound according to claim 1 wherein R is hydrogen..]. .[.3. A compound according to claim 1 wherein R is formyl..]. .[.4. A compound according to claim 1 wherein R is acetyl..]. .[.5. A compound according to claim 1 wherein R is propionyl..]. .[.6. A compound according to claim 1 wherein R is butyryl..]. .[.7. A compound according to claim 1 wherein R is octanoyl..]. .[.8. A compound acording to claim 1 wherein R is dodecanoyl..]. .[.9. The antibiotic free base according to claim 2..]. .[.10. The antibiotic free base according to claim 3..]. .[.11. The antibiotic free base according to claim 4..]. .[.12. The antibiotic free base according to claim 5..]. .[.13. The antibiotic free base according to claim 6..]. .[.14. The antibiotic free base according to claim 7..]. .[.15. The antibiotic free base according to claim 8..]. .Iadd. 16. A compound selected from the group consisting of the antibiotic free base of the formula: ##STR7## and the pharmaceutically acceptable acid-addition salts thereof.
Claim 2
Dependent Claim
26 words
.Iaddend..Iadd. 17. A compound selected from the group consisting of the antibiotic free base of the formula: ##STR8## and the pharmaceutically acceptable acid-addition salts thereof. .Iaddend.
References Cited (Backward Citations)
US3723617A
Cited
US4012576A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1982-02-05 | 1982-08-07 | 1983-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-02-05 | 1986-08-07 | 1987-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-02-05 | 1990-08-07 | 1991-02-06 | $7700.00 | Window Closed / Lapsed |