US3772352A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aluminum alcoholates of n-acetyl-p-aminophenol
Assignee: Warner Lambert Co LLC
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Filing: 1971-11-22
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Granted: 1973-11-13
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Expires: 1991-11-22
Abstract
Abstract THE PRESENT INVENTION RELATES TO ALUMINUM ALCOHOLATES OF N-ACETYL-P-AMINOPHENOL. N-ACETYL-P-AMINOPHENOL ITSELF IS A WELL-KNOWN ANALGESIC WHICH, WHEN CHANGED TO THESE COMPOUNDS, IS CONSIDERABLY IMPROVED IN TASTE.
Inventors
- 👤 M Rieger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 09:01
CPC Classifications
C; C07; C07F; C07F5/00; C07F5/06; C07F5/069
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-11-12 | 1977-05-14 | 1977-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-11-12 | 1981-05-14 | 1981-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-11-12 | 1985-05-14 | 1985-11-13 | $7700.00 | Window Closed / Lapsed |