US3795739A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treatment of parkinson disease
Assignee: F Hoffmann La Roche AG
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Filing: 1973-02-06
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Granted: 1974-03-05
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Expires: 1993-02-06
Abstract
Abstract PHARMACEUTICAL COMPOSITION FOR TREATING PARKINSON DISEASE WHICH CONTAIN AS THE ACTIVE ANTI-PARKINSONISM INGREDIENT, L-3-(3,4-DIHYDROXYPHENYL)-ALANINE (L-DOPA) OR A PHARMACEUTICALLY ACCEPTABLE SALT THEREOF IN A MIXTURE WITH L-TRYPTOPHAN OR A PHARMACEUTICALLY ACCEPTABLE SALT THEREOF OR L-5-HYDROXYTRYPTOPHAN OR A PHARMACEUTICALLY ACCEPTABLE SALT THEREOF, AND AS AN OPTIONAL INGREDIENT, A PERIPHERAL DECARBOXYLASE INHIBITOR ARE DESCRIBED. THE COMPOSITIONS ARE USEFUL FOR THE TREATMENT OF PARKINSON''S DISEASE WITH LITTLE OR NONE OF THE SIDE-EFFECTS USUALLY ASSOCIATED WITH THE USE OF L-DOPA ITSELF OR IN COMBINATION WITH A DECARBOXYLASE INHIBITOR.
Inventors
- 👤 W Birkmayer
- 👤 E Neumayer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:13
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/33; A61K31/395; A61K31/40; A61K31/403; A61K31/404; A61K31/405
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) | 1977-03-04 | 1977-09-03 | 1978-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-03-04 | 1981-09-03 | 1982-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-03-04 | 1985-09-03 | 1986-03-05 | $7700.00 | Window Closed / Lapsed |