US2787580A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of producing antibiotic p. a. 114
Assignee: Pfizer Inc
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Filing: 1953-11-12
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Granted: 1957-04-02
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Expires: 1973-11-12
Abstract
No abstract record available.
Inventors
- 👤 Ben A Sobin
- 👤 Arthur R English
- 👤 Thomas M Lees
- 👤 John B Routien
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 14:28
CPC Classifications
C; C12; C12P; C12P13/00; A; A01; A01N; A01N63/00; A01N63/20; A01N63/28; C12N; C12N1/00; C12N1/20; C12N1/205; C12R; C12R2001/00; C12R2001/01; C12R2001/465; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/822; Y10S435/886; Y10S435/902
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
36 words
A PROCESS FOR PRODUCING THE ANTIBIOTIC CONTAINING PRODUCT P.A. 114, WHICH COMPRISES CULTIVATING STREPOMYCES OLIVACEOUS ATCC NO. 12019 IN AN AQUEOUS NUTRIENT MEDIUM UNDER SUBMERGED AEROBIC CONDITONS UNTIL SUBSTANTIAL ANTIBACTERIAL ACTIVITY IS IMPARTED TO SAID MEDIUM.
Claim 2
Dependent Claim
36 words
A PROCESS FOR PRODUCING THE ANTIBIOTIC CONTAINING PRODUCT P.A. 114, WHICH COMPRISES CULTIVATING STREPOMYCES OLIVACEOUS ATCC NO. 12019 IN AN AQUEOUS NUTRIENT MEDIUM UNDER SUBMERGED AEROBIC CONDITONS UNTIL SUBSTANTIAL ANTIBACTERIAL ACTIVITY IS IMPARTED TO SAID MEDIUM.
References Cited (Backward Citations)
US2482055A
Cited
US2653899A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-04-01 | 1960-10-01 | 1961-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-04-01 | 1964-10-01 | 1965-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-04-01 | 1968-10-01 | 1969-04-02 | $7700.00 | Window Closed / Lapsed |