US3773955A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Analgetic compositions
Assignee: Bristol Myers Co
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Filing: 1970-08-03
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Granted: 1973-11-20
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Expires: 1990-08-03
Abstract
Abstract A NEW AND NOVEL ORALLY EFFECTIVE, ANALGESTIC COMPOSITION HAS BEEN FOUND WHICH, UPON PARENTERAL ADMINISTRATION, DOES NOT PRODUCE ANALGESIA, EUPHORIA OR PHYSICAL DEPENDENCE, SAID COMPOSITION COMPRISING AN ORALLY INACTIVE DOSE OF NALOXONE AND AN ORALLY ACTIVE, STRONG ANALGETIC IN ORAL DOSAGE FORM AND CONTAINING FOR EACH ANALGETIC DOES OF THE ANALGETIC AGENT AN AMOUNT OF NALOXONE SUFFICIENT, UPON PARENTERAL ADMINISTRATION OF SAID ORAL DOSAGE FORM, TO NEGATE THE ANALGETIC, EUPHORETIC AND DEPENDENCE PRODUCING ACTION OF THE COMPOSITION. TWO PREFERRED COMPOSITIONS WOULD BE: (1) 1.0 MG. OF NALOXONE AND 2.5 MG. OF PHENAZOCINE; (2) 1.0 MG. OF NALOXONE AND 5 MG. OF METHADONE.
Inventors
- 👤 I Pachter
- 👤 M Gordon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:41
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/33; A61K31/395; A61K31/535; A61K31/435; A61K31/47; A61K31/485; A61K31/55
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) | 1976-11-19 | 1977-05-21 | 1977-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-11-19 | 1981-05-21 | 1981-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-11-19 | 1985-05-21 | 1985-11-20 | $7700.00 | Window Closed / Lapsed |