US3621094A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Concentrated aqueous liquid antacid compositions containing certain phosphate and gluconate salts
Assignee: Smith Kline & French Laboratories Ltd
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Filing: 1968-04-05
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Granted: 1971-11-16
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Expires: 1988-04-05
Abstract
Abstract Pharmaceutically elegant aqueous pharmaceutical suspensions having antacid and antiulcer activity comprising a high concentration of antacid and a combination of calcium phosphate monobasic and a nontoxic alkali metal or alkaline earth gluconate salt such as sodium, potassium, calcium or magnesium gluconate.
Inventors
- 👤 David Mayron
- 👤 Frank J Tiano
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:07
CPC Classifications
A; A61; A61K; A61K33/00; A61K33/42
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
13 words
The pharmaceutical composition of claim 1 wherein the gluconate salt is calcium gluconate.
Claim 2
Dependent Claim
43 words
The pharmaceutical composition of claim 1 wherein the antacid is present from about 30 percent to about 45 percent weight/volume and the monobasic calcium phosphate and calcium gluconate are each present in an amount of from about 2.0 percent to about 5.0 percent.
Claim 3
Dependent Claim
21 words
The pharMaceutical composition of claim 2 wherein the antacid is magnesium hydroxide, aluminum hydroxide, magnesium carbonate, calcium carbonate or combinations thereof.
Claim 4
Dependent Claim
22 words
The pharmaceutical composition of claim 1 in which the antacid is at least one of aluminum hydroxide, magnesium carbonate or calcium carbonate.
Claim 5
Dependent Claim
42 words
The pharmaceutical composition of claim 1 in which the essential ingredients in the aqueous vehicle comprise about 19 percent aluminum hydroxide, about 11 percent magnesium hydroxide, about 7.5 percent calcium carbonate, about 3.7percent calcium phosphate monobasic, and about 2 percent calcium gluconate.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-11-15 | 1975-05-17 | 1975-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-11-15 | 1979-05-17 | 1979-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-11-15 | 1983-05-17 | 1983-11-16 | $7700.00 | Window Closed / Lapsed |