US3017323A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Therapeutic compositions comprising polyhydric alcohol solutions of tetracycline-type antibiotics
Assignee: Pfizer Inc
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Filing: 1957-07-02
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Granted: 1962-01-16
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Expires: 1977-07-02
Abstract
No abstract record available.
Inventors
- 👤 Philip N Gordon
- 👤 Jr Charles R Stephens
- 👤 Melvin M Noseworthy
- 👤 Fred W Teare
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:38
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/65
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
170 words
A THERAPEUTIC COMPOSITION WHICH COMPRISES A SOLUTION OF AT LEAST ONE TETRACYLINE-TYPE ANTIBIOTIC SELECTED FROM THE CLASS CONSISTING OF MAGNESIUM TETRACYCLINE HAVING A MOLAR RATIO OF MAGNESIUM TO TETRACYCLINE OF ABOUT 3:1, CALCIUM TETRACYCLINE HAVING A MOLAR RATIO OF CALCIUM TO TETRACYCLINE OF ABOUT 3:1. ALUMINUM TETRACYCLINE HAVING A MOLAR RATIO OF ALUMINUM TO TETRACYCLINE OF ABOUT 3:1, MAGNESIUM OXYTETRACYCLINE HAVING A MOLAR RATIO OF MAGNESIUM TO OXYTETRACYCLINE OF FROM ABOUT 1:3 TO 3:1, CALCIUM OXYTETRACYCLINE HAVING A MOLAR RATIO OF CALCIUM TO OXYTETRACYCLINE OF FROM ABOUT 1:3 TO 3:1, ZINC OXYTETRACYCLINE HAVING A MOLAR RATIO OF ZINC TO OXYTETRACYCLINE HAVING ABOUT 1:3 TO 3:1, AND ALUMINUM OXYTETRACYCLINE HAVING A MOLAR RATIO OF ALUMINUM TO OXYTETRAACYCLINE OF ABOUT 1:3 TO 3:1 IN APOLYHYDRIC ALCOHOL SOLVENT SELECTED FROM THE CLASS CONSISTING OF GLYCREINE, POLYETHYLENE GLYCOL, PROPYLENE GLYCOL, MIXTURE THEREOF, AND SAID SOLVENTS CON/ TAINING UP TO ABOUT 20% BY WOLUME OF A NON-TOXIC ALKANOL SELECTED FROM THE GROUP CONSISTING OF SORBITOL AND ETHANOL, AT A PH SUBSTANTIALLY BETWEEN 7.0 TO 10.
Claim 2
Dependent Claim
170 words
A THERAPEUTIC COMPOSITION WHICH COMPRISES A SOLUTION OF AT LEAST ONE TETRACYLINE-TYPE ANTIBIOTIC SELECTED FROM THE CLASS CONSISTING OF MAGNESIUM TETRACYCLINE HAVING A MOLAR RATIO OF MAGNESIUM TO TETRACYCLINE OF ABOUT 3:1, CALCIUM TETRACYCLINE HAVING A MOLAR RATIO OF CALCIUM TO TETRACYCLINE OF ABOUT 3:1. ALUMINUM TETRACYCLINE HAVING A MOLAR RATIO OF ALUMINUM TO TETRACYCLINE OF ABOUT 3:1, MAGNESIUM OXYTETRACYCLINE HAVING A MOLAR RATIO OF MAGNESIUM TO OXYTETRACYCLINE OF FROM ABOUT 1:3 TO 3:1, CALCIUM OXYTETRACYCLINE HAVING A MOLAR RATIO OF CALCIUM TO OXYTETRACYCLINE OF FROM ABOUT 1:3 TO 3:1, ZINC OXYTETRACYCLINE HAVING A MOLAR RATIO OF ZINC TO OXYTETRACYCLINE HAVING ABOUT 1:3 TO 3:1, AND ALUMINUM OXYTETRACYCLINE HAVING A MOLAR RATIO OF ALUMINUM TO OXYTETRAACYCLINE OF ABOUT 1:3 TO 3:1 IN APOLYHYDRIC ALCOHOL SOLVENT SELECTED FROM THE CLASS CONSISTING OF GLYCREINE, POLYETHYLENE GLYCOL, PROPYLENE GLYCOL, MIXTURE THEREOF, AND SAID SOLVENTS CON/ TAINING UP TO ABOUT 20% BY WOLUME OF A NON-TOXIC ALKANOL SELECTED FROM THE GROUP CONSISTING OF SORBITOL AND ETHANOL, AT A PH SUBSTANTIALLY BETWEEN 7.0 TO 10.
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) | 1965-01-15 | 1965-07-17 | 1966-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-15 | 1969-07-17 | 1970-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-15 | 1973-07-17 | 1974-01-16 | $7700.00 | Window Closed / Lapsed |