Patent US3784683A successfully refreshed from Google Patents.
US3784683A
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Tablet preparation
Assignee: Abbott Laboratories
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Filing: 1971-03-29
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Granted: 1974-01-08
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Expires: 1991-03-29
Abstract
Abstract A PHARMACEUTICAL DOSAGE FORM FOR ORAL ADMINISTRATION IS PROVIDED WHICH TRAVELS SUBSTANTIALLY INACT THROUGH THE STOMACH AND THE SMALL INTESTINES AND EXPOSES THE ACTIVE INGREDIENT ERYTHROMYCIN STEARATE IN THE LARGE INTESTINES WHERE IT IS PARTICULARLY USEFUL IN COMBATTING AMEBIASIS, A PARASITIC INFESTATION. THE NEW DOSAGE FORM IS PREPARED IN SUCH A MANNER TO SUBSTANTIALLY PREVENT THE ACTIVE DRUG FROM BEING ABSORBED BY THE GASTRO-INTESTINAL TRACT.
Inventors
- 👤 E Prillig
- 👤 Chinn Chun A Hing
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:40
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/70; A61K9/00; A61K9/20; A61K9/2004; A61K9/2022; A61K9/2027; A61K9/28; A61K9/2806; A61K9/2833; A61K9/286; A61K9/2866; Y; Y02; Y02A; Y02A50/00; Y02A50/30
Claims Analysis
Total Claims: 0
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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) | 1977-01-07 | 1977-07-09 | 1978-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-01-07 | 1981-07-09 | 1982-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-01-07 | 1985-07-09 | 1986-01-08 | $7700.00 | Window Closed / Lapsed |