US3907832A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antibiotic A204I Derivatives
Assignee: Eli Lilly and Co
•
Filing: 1974-11-15
•
Granted: 1975-09-23
•
Expires: 1994-11-15
Abstract
Abstract Antibiotic A204I monoether and monothioether derivatives are anticoccidial, as well as antimicrobial agents. Some A204I monoether derivatives are also insecticidal and acaricidal agents and increase feed-utilization efficiency in ruminants.
Inventors
- 👤 Robert L Hamill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:31
CPC Classifications
C; C07; C07D; C07D493/00; C07D493/02; C07D493/10; A; A23; A23K; A23K20/00; A23K20/10; A23K20/195; A61; A61P; A61P3/00; A61P31/00; A61P31/04; A61P33/00; A61P33/02
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
6 words
THE A2041 DERIVATIVE OF THE FORMULA:
Claim 2
Dependent Claim
6 words
THE A2041 DERIVATIVE OF THE FORMULA:
Claim 3
Dependent Claim
10 words
The A204I derivative of claim 1 wherein R is methyl.
Claim 4
Dependent Claim
10 words
The A204I derivative of claim 1 wherein R is ethyl.
Claim 5
Dependent Claim
10 words
The A204I derivative of claim 1 wherein R is n-propyl.
References Cited (Backward Citations)
US3705238A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-09-22 | 1979-03-24 | 1979-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-09-22 | 1983-03-24 | 1983-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-09-22 | 1987-03-24 | 1987-09-23 | $7700.00 | Window Closed / Lapsed |