US2691618A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antimocrobial agent and process for producing same
Assignee: Pfizer Inc
•
Filing: 1953-06-05
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Granted: 1954-10-12
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Expires: 1973-06-05
Abstract
No abstract record available.
Inventors
- 👤 Jr Fred W Tanner
- 👤 John E Lynch
- 👤 John B Routien
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 00:24
CPC Classifications
C; C07; C07G; C07G11/00; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/822; Y10S435/886
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
32 words
A PROCESS FOR PRODUCING ANISOMYCIN, WHICH COMPRISES CULTIVATING THE MICROORGANISM STREPTOMYCES GRISEOLUS ATCC 11796 IN AN AQUEOUS NUTRIENT MEDIUM UNDER SUBMERGED AEROBIC CONDITIONS UNTIL SUBSTANTIAL ANTIMICROBIAL ACTIVITY IS IMPARTED TO SAID MEDIUM.
Claim 2
Dependent Claim
32 words
A PROCESS FOR PRODUCING ANISOMYCIN, WHICH COMPRISES CULTIVATING THE MICROORGANISM STREPTOMYCES GRISEOLUS ATCC 11796 IN AN AQUEOUS NUTRIENT MEDIUM UNDER SUBMERGED AEROBIC CONDITIONS UNTIL SUBSTANTIAL ANTIMICROBIAL ACTIVITY IS IMPARTED TO SAID MEDIUM.
Claim 3
Dependent Claim
69 words
A SUBSTANCE EFFECTIVE IN INHIBITING THE GROWTH OF PATHOGENIC PROTOZOA AND FUNGI, SELECTED FROM THE GROUP CONSISTING OF A BASIC SUBSTANCE MODERATELY SOLUBLE IN WATER, VERY SOLUBLE IN METHYL ALCOHOL, EHTYL ALCOHOL, ACETONE, DIOXANE AND CHLOROFORM, INSOLUBLE IN HEXANE, CYCLOHEXANE, CARBON TETRACHLORIDE AND ETHER, AND CAPABLE OF FORMING SALTS WITH ACIDS; WHOSE CRYSTALLINE BASE CONTAINS THE ELEMENTS CARBON, HYDROGEN, NITROGEN AND OXYGEN IN SUBSTANTIALLY THE FOLLOWING PROPORTIONS BY WEIGHT:
Claim 4
Dependent Claim
69 words
A SUBSTANCE EFFECTIVE IN INHIBITING THE GROWTH OF PATHOGENIC PROTOZOA AND FUNGI, SELECTED FROM THE GROUP CONSISTING OF A BASIC SUBSTANCE MODERATELY SOLUBLE IN WATER, VERY SOLUBLE IN METHYL ALCOHOL, EHTYL ALCOHOL, ACETONE, DIOXANE AND CHLOROFORM, INSOLUBLE IN HEXANE, CYCLOHEXANE, CARBON TETRACHLORIDE AND ETHER, AND CAPABLE OF FORMING SALTS WITH ACIDS; WHOSE CRYSTALLINE BASE CONTAINS THE ELEMENTS CARBON, HYDROGEN, NITROGEN AND OXYGEN IN SUBSTANTIALLY THE FOLLOWING PROPORTIONS BY WEIGHT:
References Cited (Backward Citations)
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Cited
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-10-11 | 1958-04-12 | 1958-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-10-11 | 1962-04-12 | 1962-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-10-11 | 1966-04-12 | 1966-10-12 | $7700.00 | Window Closed / Lapsed |