US4447417A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Basic aluminium magnesium carbonate
Assignee: Almirall SA
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Filing: 1979-02-15
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Granted: 1984-05-08
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Expires: 1999-02-15
Abstract
Abstract A new basic aluminium magnesium carbonate of the formula Al2Mg6(OH)14(CO3)2.4H2O has been found to be useful in pharmaceutical formulations for the treatment of upper gastrointestinal tract disturbances associated with excess acid and pepsin secretion or biliary reflux.
Inventors
- 👤 Robert G. W. Spickett
- 👤 Jacinto M. Mauri
- 👤 Jesus E. B. Puchades
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:07
CPC Classifications
A; A61; A61P; A61P1/00; A61P1/04; C; C01; C01F; C01F7/00; C01F7/78; C01F7/784; C01F7/785; C01P; C01P2002/00; C01P2002/20; C01P2002/22
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
22 words
A basic crystalline aluminium magnesium carbonate of the formula Al 2 Mg 6 (OH) 14 (CO 3 ) 2 .4H 2 O.
Claim 2
Dependent Claim
22 words
A basic crystalline aluminium magnesium carbonate of the formula Al 2 Mg 6 (OH) 14 (CO 3 ) 2 .4H 2 O.
Claim 3
Dependent Claim
40 words
A pharmaceutical antacid composition which comprises an effective amount of a basic crystalline aluminium magnesium carbonate of the formula Al 2 Mg 6 (OH) 14 (CO 3 ) 2 .4H 2 O in association with a pharmaceutically-acceptable carrier or diluent.
Claim 4
Dependent Claim
40 words
A pharmaceutical antacid composition which comprises an effective amount of a basic crystalline aluminium magnesium carbonate of the formula Al 2 Mg 6 (OH) 14 (CO 3 ) 2 .4H 2 O in association with a pharmaceutically-acceptable carrier or diluent.
Claim 5
Dependent Claim
14 words
A pharmaceutical composition according to claim 2 in a form suitable for oral administration.
Claim 6
Independent Claim
56 words
A method for the treatment of upper gastrointestinal tract disturbances in a patient associated with excess acid and pepsin secretion or biliary reflux which comprises administering orally to the patient an effective amount of a basic crystalline aluminium magnesium carbonate of the formula Al 2 Mg 6 (OH) 14 (CO 3 ) 2 .4H 2 O.
Claim 7
Independent Claim
56 words
A method for the treatment of upper gastrointestinal tract disturbances in a patient associated with excess acid and pepsin secretion or biliary reflux which comprises administering orally to the patient an effective amount of a basic crystalline aluminium magnesium carbonate of the formula Al 2 Mg 6 (OH) 14 (CO 3 ) 2 .4H 2 O.
Claim 8
Dependent Claim
29 words
A method according to claim 4 in which the amount of said basic aluminium magnesium carbonate administered orally to the patient is from 0.5 through 10 g per day.
References Cited (Backward Citations)
US2958626A
Cited
US3272703A
Cited
GB1059495A
Cited
GB1184332A
Cited
GB1185920A
Cited
GB1348702A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1987-05-08 | 1987-11-07 | 1988-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-05-08 | 1991-11-07 | 1992-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-05-08 | 1995-11-07 | 1996-05-08 | $7700.00 | Window Closed / Lapsed |