US3591680A
Expired / Lapsed
US
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Concentrated antacid compositions and method of producing antacid activity
Assignee: Smith Kline & French Laboratories Ltd
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Filing: 1969-11-17
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Granted: 1971-07-06
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Expires: 1989-11-17
Abstract
Abstract AQUEOUS PHARMACEUTICAL SUSPENSIONS CONTAINING A HIGH CONCENTRATION OF ANTACID AND A METHOD OF PRODUCING AN INCREASED DEGREE OF PROTECTION AND DURATION OF ANTACID AND ANTI-ULCER ACTIVITY BY ORALLY ADMINISTERING SAID SUSPENSIONS.
Inventors
- 👤 Leon C Greene
- 👤 Allen Misher
- 👤 William E Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:57
CPC Classifications
A; A61; A61K; A61K9/00; A61K9/0087; A61K9/0095; A61K47/00; A61K47/30; A61K47/36; A61K47/38
Claims Analysis
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-07-05 | 1975-01-04 | 1975-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-07-05 | 1979-01-04 | 1979-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-07-05 | 1983-01-04 | 1983-07-06 | $7700.00 | Window Closed / Lapsed |