US4006060A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thienamycin production
Assignee: Merck and Co Inc
•
Filing: 1975-11-18
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Granted: 1977-02-01
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Expires: 1995-11-18
Abstract
Abstract The antibiotic thienamycin is active against both gram-positive and gram-negative bacteria. The antibiotic is produced by growing a newly-found and hitherto undescribed species of Streptomyces on suitable fermentation media.
Inventors
- 👤 Jean S. Kahan
- 👤 Frederick M. Kahan
- 👤 Edward O. Stapley
- 👤 Robert T. Goegelman
- 👤 Sebastian Hernandez
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 05:24
CPC Classifications
C; C07; C07D; C07D477/00; C07D477/10; C07D477/12; C07D477/16; C07D477/20; C12; C12P; C12P17/00; C12P17/18; C12P17/182; C12P17/184; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/822; Y10S435/886
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
42 words
A process for the production of the antibiotic thienamycin which comprises cultivating a thienamycin-producing strain of Streptomyces cattleya in an aqueous nutrient medium containing assimilable sources of carbohydrate, nitrogen and inorganic salts under submerged aerobic conditions and recovering the antibiotic so produced.
Claim 2
Dependent Claim
42 words
A process for the production of the antibiotic thienamycin which comprises cultivating a thienamycin-producing strain of Streptomyces cattleya in an aqueous nutrient medium containing assimilable sources of carbohydrate, nitrogen and inorganic salts under submerged aerobic conditions and recovering the antibiotic so produced.
Claim 3
Dependent Claim
14 words
The process of claim 1 wherein the organism cultivated is Streptomyces cattleya NRRL 8057.
References Cited (Backward Citations)
US3950357A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-02-01 | 1980-08-02 | 1981-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-02-01 | 1984-08-02 | 1985-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-02-01 | 1988-08-02 | 1989-02-01 | $7700.00 | Window Closed / Lapsed |