Patent US2999790A successfully refreshed from Google Patents.
US2999790A
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Stable aluminum hydroxide suspension
Assignee: STWB Inc
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Filing: 1959-08-24
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Granted: 1961-09-12
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Expires: 1979-08-24
Abstract
No abstract record available.
Inventors
- 👤 Charles E Alford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:37
CPC Classifications
A; A61; A61K; A61K9/00; A61K9/0087; A61K9/0095; A61K33/00; A61K33/06; A61K33/08; A61K47/00; A61K47/06; A61K47/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
38 words
A COLLOIDAL LIQUID GASTRIC ANTACID PREPARATION COMPRISING ABOUT 5.5 TO 6.7% OF GELATINOUS ALUMIUM HYDROXIDE IN AQUEOUS SUSPENSION AND HAVING INCORPORATED THEREIN ABOUT 0.5 TO 7% OF A HEXITOL AS A STABILIZING AGENT TO PREVENT THICKENING AND HARDENING.
Claim 2
Dependent Claim
38 words
A COLLOIDAL LIQUID GASTRIC ANTACID PREPARATION COMPRISING ABOUT 5.5 TO 6.7% OF GELATINOUS ALUMIUM HYDROXIDE IN AQUEOUS SUSPENSION AND HAVING INCORPORATED THEREIN ABOUT 0.5 TO 7% OF A HEXITOL AS A STABILIZING AGENT TO PREVENT THICKENING AND HARDENING.
References Cited (Backward Citations)
US2211745A
Cited
US2755220A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-09-11 | 1965-03-13 | 1965-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-11 | 1969-03-13 | 1969-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-11 | 1973-03-13 | 1973-09-12 | $7700.00 | Window Closed / Lapsed |