US2770569A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Analgesic compositions
Assignee: F Hoffmann La Roche AG
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Filing: 1952-10-15
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Granted: 1956-11-13
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Expires: 1972-10-15
Abstract
No abstract record available.
Inventors
- 👤 Fromherz Konrad
- 👤 Gruessner Andre
- 👤 Pellmont Bela
- 👤 Schnider Otto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:40
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/33; A61K31/395; A61K31/435; A61K31/47; A61K31/485
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
57 words
A COMPOSITION OF MATTER IN A FORM FOR ADMINISTRATION BY INJECTION CONTAINING AS ESSENTIAL THERAPEUTIC INGREDIENTS MORPHINE-TYPE ANALGESIC MATERIAL AND ANTAGONIST MATERIAL SELECTED FROM THE GROUP CONSISTING OF LEVO-3-HYDROXY-N-ALLYL-MORPHINAN AND ITS ACID ADDITION SALTS, THE EFFECTIVE CONTENT OF LEVE-3-HYDROXY-N-ALLYL-MORHPINAN IN SAID COMPOSITION BEING FROM ABOUT 0.5 PERCENT TO ABOUT 10 PERCENT BY WEIGHT OF SAID ANALGESIC MATERIAL.
References Cited (Backward Citations)
US2683106A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-11-13 | 1960-05-14 | 1960-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-13 | 1964-05-14 | 1964-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-13 | 1968-05-14 | 1968-11-13 | $7700.00 | Window Closed / Lapsed |