US4064233A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antibiotic A-4696
Assignee: Eli Lilly and Co
•
Filing: 1976-04-19
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Granted: 1977-12-20
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Expires: 1996-04-19
Abstract
Abstract Antibiotic A-4696, produced by Actinoplanes sp., strain ATCC 23342, under submerged aerobic conditions in a liquid culture medium isolated from the fermentation broth by adsorption on activated carbon, eluted therefrom with a 1% sulfuric acid solution in acetone, and purified over sulfuric acid-washed alumina has antibacterial and growth promotant activity.
Inventors
- 👤 Robert L. Hamill
- 👤 William M. Stark
- 👤 Donald C. DeLong
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:55
CPC Classifications
C; C07; C07H; C07H15/00; C07H15/26; A; A61; A61K; A61K36/00; A61K36/06
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
40 words
A method for promoting growth and improving feed efficiency in poultry and swine which comprises orally administering to said poultry and swine an effective growth promoting quantity of the antibiotic substance A-4696, or a pharmaceutically acceptable acid addition salt thereof.
Claim 2
Independent Claim
40 words
A method for promoting growth and improving feed efficiency in poultry and swine which comprises orally administering to said poultry and swine an effective growth promoting quantity of the antibiotic substance A-4696, or a pharmaceutically acceptable acid addition salt thereof.
Claim 3
Dependent Claim
26 words
The method of claim 1 wherein antibiotic A-4696 is orally administered in a daily amount of from about 0.5 to about 25 mg./kg. of body weight.
Claim 4
Dependent Claim
33 words
The method of claim 1 wherein antibiotic A-4696 is orally administered as a component in animal feed containing from about 2 to about 200 grams of antibiotic A-4696 per ton of total feed.
Claim 5
Dependent Claim
51 words
An animal feed composition effective for promoting growth and improving feed efficiency in poultry and swine which comprises a basal ration and in admixture therewith, per ton of said basal ration, between about 2 and about 200 grams of the antibiotic substance A-4696, or a pharmaceutically acceptable acid addition salt thereof.
Claim 6
Dependent Claim
51 words
An animal feed composition effective for promoting growth and improving feed efficiency in poultry and swine which comprises a basal ration and in admixture therewith, per ton of said basal ration, between about 2 and about 200 grams of the antibiotic substance A-4696, or a pharmaceutically acceptable acid addition salt thereof.
Claim 7
Dependent Claim
45 words
A feed premix adaptable for incorporation into the animal feed composition of claim 4 comprising a suitable premix carrier and in admixture therewith between about 1 and about 100 grams of antibiotic A-4696, or a pharmaceutically acceptable acid addition salt thereof, per pound of premix.
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) | 1980-12-19 | 1981-06-20 | 1981-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-12-19 | 1985-06-20 | 1985-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-12-19 | 1989-06-20 | 1989-12-20 | $7700.00 | Window Closed / Lapsed |