Patent US3347744A successfully refreshed from Google Patents.
US3347744A
Expired / Lapsed
US
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Magnesium hydroxide suspensions
Assignee: Smith Kline & French Laboratories Ltd
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Filing: 1963-10-25
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Granted: 1967-10-17
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Expires: 1983-10-25
Abstract
No abstract record available.
Inventors
- 👤 Wilmer E Latshaw
- 👤 Wizerkaniuk Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 09:13
CPC Classifications
A; A61; A61K; A61K9/00; A61K9/0087; A61K9/0095
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
55 words
A LIQUID PHARMACEUTICAL PREPARATION FOR ORAL ADMINISTRATION COMPRISING AN AQUEOUS SUSPENSION HAVING FROM ABOUT 10% TO ABOUT 30% OF MAGNESIUM HYDROXIDE AND UP TO ABOUT 2% OF A SUSPENDING AGENT COMPRISING COLLOIDAL MAGNESIUM ALUMINUM SILICATE, SODIUM ALGINATE, METHYL CELLULOSE, CARBOXYMETHYLCELLULOSE OR SODIUM CARBOXYMETHYLCELLULOSE IN COMBINATION WITH FROM ABOUT 0.1% TO ABOUT 2.0% OF SUBMICROSCOPIC SILICA.
References Cited (Backward Citations)
US2477080A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-16 | 1971-04-17 | 1971-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-16 | 1975-04-17 | 1975-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-16 | 1979-04-17 | 1979-10-17 | $7700.00 | Window Closed / Lapsed |