Patent US3155585A successfully refreshed from Google Patents.
US3155585A
Expired / Lapsed
US
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Antibiotic produced by pseudomonas syringae
Assignee: Individual
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Filing: 1963-01-11
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Granted: 1964-11-03
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Expires: 1983-01-11
Abstract
No abstract record available.
Inventors
- 👤 Vay James E De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 09:08
CPC Classifications
A; A61; A61K; A61K35/00; A61K35/66; A61K35/74; C; C12; C12P; C12P1/00; C12P1/04; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/822; Y10S435/874
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
51 words
A PROCESS WHICH COMPRISES CULTIVATING PSEUDOMONAS SYRINGAE IN A SUITABLE AQUEOUS NUTRIENT MEDIUM, SEPARATING AND FREEZE-DRYING THE AQUEOUS PHASE, EXTRACTING THE THE RESULTING EXTRACT WITH AQUEOUS ETHANOL, AND SUBJECTING THE RESULTING EXTRACT TO A CHROMATOGRAPHIC SEPARATION TREATMENT TO RECOVER THEREFROM THE ANTIBIOTIC SUBSTANCE PRODUCED IN SAID MEDIUM BY THE PSEUDOMONAS SYRINGAE.
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) | 1967-11-03 | 1968-05-04 | 1968-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-03 | 1972-05-04 | 1972-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-03 | 1976-05-04 | 1976-11-03 | $7700.00 | Window Closed / Lapsed |