US4195078A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nabilone granulation
Assignee: Eli Lilly and Co
•
Filing: 1979-03-09
•
Granted: 1980-03-25
•
Expires: 1999-03-09
Abstract
Abstract A solution of nabilone and PVP in anhydrous ethanol is used to granulate ethanol-insoluble pharmaceutically-acceptable excipients such as starch.
Inventors
- 👤 James W. Conine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:31
CPC Classifications
A; A61; A61K; A61K9/00; A61K9/14; A61K9/16; A61K9/1605; A61K9/1629; A61K9/1652; A61K31/00; A61K31/33; A61K31/335; A61K31/35; A61K9/141; A61K9/146; A61P; A61P1/00; A61P1/08
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
48 words
A method of formulating nabilone for oral administration to mammals which comprises dissolving nabilone and polyvinylpyrrolidone or polyethylene glycol in anhydrous ethanol and using the thus-formed viscous solution to granulate a pharmaceutically-acceptable ethanol-insoluble excipient by thoroughly mixing the solution with the excipient, and then drying the thus-formed granulation.
Claim 2
Independent Claim
48 words
A method of formulating nabilone for oral administration to mammals which comprises dissolving nabilone and polyvinylpyrrolidone or polyethylene glycol in anhydrous ethanol and using the thus-formed viscous solution to granulate a pharmaceutically-acceptable ethanol-insoluble excipient by thoroughly mixing the solution with the excipient, and then drying the thus-formed granulation.
Claim 3
Dependent Claim
20 words
A process according to claim 1 in which polyvinylpyrrolidone and nabilone are dissolved in ethanol to form the granulating solution.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1983-03-25 | 1983-09-24 | 1984-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-03-25 | 1987-09-24 | 1988-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-03-25 | 1991-09-24 | 1992-03-25 | $7700.00 | Window Closed / Lapsed |