US3801464A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antibiotic a16886 and process for production thereof
Assignee: Eli Lilly and Co
•
Filing: 1972-02-09
•
Granted: 1974-04-02
•
Expires: 1992-02-09
Abstract
Abstract Antibiotic A16886I and antibiotic A16886II and their salts, having antibacterial and anthelmintic activity, prepared by fermentation of Streptomyces clavuligerus NRRL 3585.
Inventors
- 👤 R Nagarajan
- 👤 M Gorman
- 👤 C Higgens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:59
CPC Classifications
C; C12; C12P; C12P35/00; C12P35/06; C12P35/08; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/822; Y10S435/886
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
42 words
A method according to claim 1 wherein the culture medium is maintained at a temperature of from approximately 25* C. to approximately 37* C., and the growth of the organism is carried out for a period of approximately 36 to 72 hours.
Claim 2
Dependent Claim
15 words
A method according to claim 2 additionally comprising recovering antibiotic A16886I from said culture medium.
Claim 3
Independent Claim
9 words
A method of producing a compound of the formula
Claim 4
Dependent Claim
42 words
A method according to claim 4 wherein the culture medium is maintained at a temperature of from approximately 25* C. to approximately 37* C. and the growth of the organism is carried out for a period of approximately 36 to 72 hours.
Claim 5
Dependent Claim
15 words
A method according to claim 5 additionally cOmprising recovering antibiotic A16886II from said culture medium.
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) | 1977-04-01 | 1977-10-01 | 1978-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-04-01 | 1981-10-01 | 1982-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-04-01 | 1985-10-01 | 1986-04-02 | $7700.00 | Window Closed / Lapsed |