US3106513A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Synergistic analgesic composition of 1-(mu-aminophenyl)-2-pyridone and morphine derivatives
Assignee: US Filter Wallace and Tiernan Inc
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Filing: 1961-11-06
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Granted: 1963-10-08
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Expires: 1981-11-06
Abstract
No abstract record available.
Inventors
- 👤 John F Reinhard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:31
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/33; A61K31/395; A61K31/435; A61K31/47; A61K31/485
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
55 words
AN ANALGESIC COMPOSITION CONSISTING ESSENTIALLY OF 50 PERCENT TO 7 PERCEHT BY WEIGHT OF A SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF MORPHINE, ANALGESIC MORPHINE DERIVATIVES, AND THEIR THERAPEUTICALLY USEFUL ACID ADDITION SALTS; AND FROM 50 PERCENT TO 93 PERCENT BY WEIGHT OF A M-AMINO COMPOUND OF THE GROUP CONSISTING OF THOSE HAVING THE FORMULA:
Claim 2
Dependent Claim
55 words
AN ANALGESIC COMPOSITION CONSISTING ESSENTIALLY OF 50 PERCENT TO 7 PERCEHT BY WEIGHT OF A SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF MORPHINE, ANALGESIC MORPHINE DERIVATIVES, AND THEIR THERAPEUTICALLY USEFUL ACID ADDITION SALTS; AND FROM 50 PERCENT TO 93 PERCENT BY WEIGHT OF A M-AMINO COMPOUND OF THE GROUP CONSISTING OF THOSE HAVING THE FORMULA:
References Cited (Backward Citations)
US2947755A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-10-07 | 1967-04-08 | 1967-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-07 | 1971-04-08 | 1971-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-07 | 1975-04-08 | 1975-10-08 | $7700.00 | Window Closed / Lapsed |