US3929989A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stable suspension of calcium-magnesium oxytetracycline for intrauterine administration in treatment of bovine metritis
Assignee: WENDT LAB Inc
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Filing: 1974-06-14
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Granted: 1975-12-30
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Expires: 1994-06-14
Abstract
Abstract A therapeutic composition for intrauterine infusion in bovine species in the treatment of metritis is comprised of a suspension of calcium-magnesium oxytetracycline having a molar ratio of combined calcium and magnesium to oxtetracycline of about 4 to 1.
Inventors
- 👤 Gregory P Bergt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:08
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/65
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
57 words
A THERAPEUTIC COMPOSITION FOR INTRAUTERINE INFUSION IN BOVINE SPECIES FOR TREATING METRITIS, WHICH COMPRISES: A STABLE SUSPENSION OF CALCIUM-MAGNESIUM OXYTETRACYCLINE AND HAVING A MOLAR RATIO OF COMBINED CALCIUM AND MAGNESIUM TO OXYTETRACYCLINE OF ABOUT 4-4.3 TO 1, IN AN AQUEOUS SOLVENT OF 1,2 PROPANEDIOL CONTAINING ABOUT 17 PERCENT WATER, AT A PH SUBSTANTIALLY BETWEEN 5.0 AND 11.
Claim 2
Dependent Claim
57 words
A THERAPEUTIC COMPOSITION FOR INTRAUTERINE INFUSION IN BOVINE SPECIES FOR TREATING METRITIS, WHICH COMPRISES: A STABLE SUSPENSION OF CALCIUM-MAGNESIUM OXYTETRACYCLINE AND HAVING A MOLAR RATIO OF COMBINED CALCIUM AND MAGNESIUM TO OXYTETRACYCLINE OF ABOUT 4-4.3 TO 1, IN AN AQUEOUS SOLVENT OF 1,2 PROPANEDIOL CONTAINING ABOUT 17 PERCENT WATER, AT A PH SUBSTANTIALLY BETWEEN 5.0 AND 11.
Claim 3
Dependent Claim
23 words
The composition as defined in claim 1 wherein said molar ratio of combined calcium and magnesium to oxytetracycline is about 4 to 1.
Claim 4
Dependent Claim
21 words
The composition as defined in claim 1 wherein the pH of said composition is within the range of 9.3 to 9.7.
References Cited (Backward Citations)
US3557280A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-12-29 | 1979-06-30 | 1979-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-12-29 | 1983-06-30 | 1983-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-12-29 | 1987-06-30 | 1987-12-30 | $7700.00 | Window Closed / Lapsed |