US3024168A
Expired / Lapsed
US
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Preparation of polyfluoroalkoxymethyl penicillins
Assignee: Beecham Research Laboratories Ltd
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Filing: 1959-04-10
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Granted: 1962-03-06
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Expires: 1979-04-10
Abstract
No abstract record available.
Inventors
- 👤 Lein Joseph
- 👤 Lee C Cheney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 15:44
CPC Classifications
C; C07; C07D; C07D499/00; C07D499/21; C07D499/44; C07D499/48; C07D499/58; C07D499/60; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/911; Y10S435/933; Y10S435/935; Y10S435/936
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
37 words
THE METHOD OF PRODUCING A NEW PENICILLIN WHICH COMPRISES AEROBICALLY GROWING A PENICILLIN-PRODUCING MOLD OF THE GENUS PENICILLIUM AND GROUP NOTATUM-CHRYSOGENUM IN A NUTRIENT MEDIUM CONTAINING A PRECURSOR SELECTED FROM THE GROUP OF PRECURSORS HAVING THE FORMULA:
Claim 2
Independent Claim
37 words
THE METHOD OF PRODUCING A NEW PENICILLIN WHICH COMPRISES AEROBICALLY GROWING A PENICILLIN-PRODUCING MOLD OF THE GENUS PENICILLIUM AND GROUP NOTATUM-CHRYSOGENUM IN A NUTRIENT MEDIUM CONTAINING A PRECURSOR SELECTED FROM THE GROUP OF PRECURSORS HAVING THE FORMULA:
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) | 1965-03-05 | 1965-09-04 | 1966-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-05 | 1969-09-04 | 1970-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-05 | 1973-09-04 | 1974-03-06 | $7700.00 | Window Closed / Lapsed |