US2801951A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilized analgesic compositions
Assignee: STWB Inc
•
Filing: 1956-01-09
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Granted: 1957-08-06
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Expires: 1976-01-09
Abstract
No abstract record available.
Inventors
- 👤 Jr Ralph M Cooper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:10
CPC Classifications
A; A61; A61K; A61K33/00; A61K33/06; A61K33/08; A61K33/10; A61K9/00; A61K9/20; A61K9/2004; A61K9/2009; A61K9/2013
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
55 words
A STABLE, HIGHLY-BUFFERED, ANALGESIC COMPOSITION COMPRISING A DRY, INTIMATE MIXTURE OF ACETYLSALICYLIC ACID, CITRIC ACID, P-ETHOXYACETANILIDE, CAFFEINE, MAGNESIUM HYDROXIDE, ALUMINUM HYDROXIDE AND ALUMINUM HYCITRIC ACID, MAGNESIUM HYDROXIDE AND ALUMINUM HYDROXIDE ARE PRESENT, RESPECTIVELY, IN AMOUNTS OF FROM 10 TO 15%, FROM 45 TO 55%, AND FROM 25 TO 30% OF THE AMOUNT OF ACETYLSALICYLIC ACID.
References Cited (Backward Citations)
US2211485A
Cited
US1486002A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-08-05 | 1961-02-04 | 1961-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-05 | 1965-02-04 | 1965-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-05 | 1969-02-04 | 1969-08-06 | $7700.00 | Window Closed / Lapsed |