US2966442A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antibiotic compositions
Assignee: Wyeth LLC
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Filing: 1956-09-20
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Granted: 1960-12-27
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Expires: 1976-09-20
Abstract
No abstract record available.
Inventors
- 👤 William F Elias
- 👤 Merrion Howard Joseph
- 👤 Joseph K Apat
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:53
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/33; A61K31/395; A61K31/41; A61K31/425; A61K31/429; A61K31/43
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
82 words
A THERAPEUTIC COMPOSITION COMPRISING THE PENICILLIN G SALT OF N,N''-DIBENZYLETHYLENEDIAMINE, SAID SALT ORIGINALLY HAVING AN APPEARANCE SELECTED FROM THE TYPE CONSISTING OF AMORPHOUS AND NEEDLE-LIKE FORMS, AND BEING IN FINELY DIVIDED FORM, WITH AT LEAST ABOUT 50% OF THE PARTICLES HAVING A SIZE RANGING FROM ABOUT 5 TO ABOUT 40 MICRONS, COMBINED WITH A WATER-SOLUBLE PENICILLIN SALT OF THE GROUP CONSISTING OF ALKALI METAL AND ALKALINE EARTH METAL PENICILLIN, IN A RATIO, WATER-SOLUBLE SALT TO DIAMINE SALT, OF AT LEAST ABOUT 0.1:1.
Claim 2
Dependent Claim
82 words
A THERAPEUTIC COMPOSITION COMPRISING THE PENICILLIN G SALT OF N,N''-DIBENZYLETHYLENEDIAMINE, SAID SALT ORIGINALLY HAVING AN APPEARANCE SELECTED FROM THE TYPE CONSISTING OF AMORPHOUS AND NEEDLE-LIKE FORMS, AND BEING IN FINELY DIVIDED FORM, WITH AT LEAST ABOUT 50% OF THE PARTICLES HAVING A SIZE RANGING FROM ABOUT 5 TO ABOUT 40 MICRONS, COMBINED WITH A WATER-SOLUBLE PENICILLIN SALT OF THE GROUP CONSISTING OF ALKALI METAL AND ALKALINE EARTH METAL PENICILLIN, IN A RATIO, WATER-SOLUBLE SALT TO DIAMINE SALT, OF AT LEAST ABOUT 0.1:1.
Claim 3
Dependent Claim
67 words
A THERAPEUTIC COMPOSITION COMPRISING A DRY MIXTURE OF POTASSIUM PENICILLIN G, PROCAINE PENICILLIN G AND N,N''-DIBENZYLETHYLENEDIAMINE DIPENICILLIN G, AND MIXTURE WHEN RECONSTITUTED BEFORE USE BY THE ADDITION OF STERILE WATER FORMING A PRODUCT SUITABLE FOR USE BY INJECTION AND CONTAINING IN EACH CC. ABOUT 100,000 UNITS OF THE POTASSIUM PENICILLIN, ABOUT 150,000 UNITS OF THE PROCAINE PENICILLIN AND AT LEAST ABOUT 150,000 UNITS OF THE N,N''-DIBENZYLETHYLENEDIAMINE DIPENICILLIN.
Claim 4
Dependent Claim
67 words
A THERAPEUTIC COMPOSITION COMPRISING A DRY MIXTURE OF POTASSIUM PENICILLIN G, PROCAINE PENICILLIN G AND N,N''-DIBENZYLETHYLENEDIAMINE DIPENICILLIN G, AND MIXTURE WHEN RECONSTITUTED BEFORE USE BY THE ADDITION OF STERILE WATER FORMING A PRODUCT SUITABLE FOR USE BY INJECTION AND CONTAINING IN EACH CC. ABOUT 100,000 UNITS OF THE POTASSIUM PENICILLIN, ABOUT 150,000 UNITS OF THE PROCAINE PENICILLIN AND AT LEAST ABOUT 150,000 UNITS OF THE N,N''-DIBENZYLETHYLENEDIAMINE DIPENICILLIN.
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) | 1963-12-27 | 1964-06-27 | 1964-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-27 | 1968-06-27 | 1968-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-27 | 1972-06-27 | 1972-12-27 | $7700.00 | Window Closed / Lapsed |