Patent US3712949A successfully refreshed from Google Patents.
US3712949A
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US
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Injectable oxytetracycline compositions
Assignee: Fermenta Animal Health Co
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Filing: 1970-02-04
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Granted: 1973-01-23
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Expires: 1990-02-04
Abstract
Abstract INJECTABLE OXYTETRACYCLINE COMPOSITIONS ARE PREPARED USING GLYCEROL FORMAL AS THE SOLVENT. THE COMPOSITIONS HAVE LOW VISCOSITIES AT LOW TEMPERATURES AND IN ADDITION HAVE EXCELLENT STABILITY OF COLOR, POTENCY AND CLARITY.
Inventors
- 👤 H Klein
- 👤 S Greenbaum
- 👤 K Schaaf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 13:54
CPC Classifications
A; A61; A61K; A61K9/00; A61K9/0012; A61K9/0019; A61K31/00; A61K31/65; Y; Y02; Y02A; Y02A50/00; Y02A50/30
Claims Analysis
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References Cited (Backward Citations)
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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) | 1976-01-23 | 1976-07-24 | 1977-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-01-23 | 1980-07-24 | 1981-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-01-23 | 1984-07-24 | 1985-01-23 | $7700.00 | Window Closed / Lapsed |