US2916485A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antibiotic and methods for obtaining same
Assignee: Parke Davis and Co LLC
•
Filing: 1959-01-12
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Granted: 1959-12-08
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Expires: 1979-01-12
Abstract
No abstract record available.
Inventors
- 👤 Roger P Frohardt
- 👤 Theodore H Haskell
- 👤 Ehrlich John
- 👤 Knudsen Mildred Penner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:46
CPC Classifications
C; C07; C07H; C07H15/00; C07H15/20; C07H15/22; C07H15/222; C07H15/226; C07H15/228; C07H15/232; Y; Y10; Y10S; Y10S435/00; Y10S435/813; Y10S435/8215; Y10S435/822; Y10S435/859; Y10S435/879; Y10S435/886; Y10S435/904
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
21 words
A COMPOUND OF THE CLASS CONSISTING OF PAROMOMYCIN AND ITS PHARMACEUTICALLY-ACCEPTABLE ACID-ADDITION SALTS; SAID PAROMOMYCIN BEING A COMPOUND HAVING THE FORMULA,
Claim 2
Dependent Claim
21 words
A COMPOUND OF THE CLASS CONSISTING OF PAROMOMYCIN AND ITS PHARMACEUTICALLY-ACCEPTABLE ACID-ADDITION SALTS; SAID PAROMOMYCIN BEING A COMPOUND HAVING THE FORMULA,
Claim 3
Dependent Claim
54 words
A PROCESS FOR THE PRODUCTION OF PAROMOMYCIN WHICH COMPRISES THE STEPS OF INOCULATING A STERILE AQUEOUS NUTRIENT MEDIUM CONTAINING AN ASSIMILABLE CARBON SOURCE AND A SOURCE OF NITROGEN AND MINERALS WITH STREPTOMYCES RIMOUS FORMA PAROMOMYCINUS, AND INCUBATING THE INOCULATED MEDIUM AT A TEMPERATURE IN THE NEIGHBORHOOD OF 20 TO 35* C. UNDER AEROBIC CONDIITIONS.
Claim 4
Dependent Claim
54 words
A PROCESS FOR THE PRODUCTION OF PAROMOMYCIN WHICH COMPRISES THE STEPS OF INOCULATING A STERILE AQUEOUS NUTRIENT MEDIUM CONTAINING AN ASSIMILABLE CARBON SOURCE AND A SOURCE OF NITROGEN AND MINERALS WITH STREPTOMYCES RIMOUS FORMA PAROMOMYCINUS, AND INCUBATING THE INOCULATED MEDIUM AT A TEMPERATURE IN THE NEIGHBORHOOD OF 20 TO 35* C. UNDER AEROBIC CONDIITIONS.
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) | 1962-12-07 | 1963-06-08 | 1963-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-07 | 1967-06-08 | 1967-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-07 | 1971-06-08 | 1971-12-08 | $7700.00 | Window Closed / Lapsed |