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US3408441A
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Epipodophyllotoxin-beta-d-glucosides and derivatives thereof
Assignee: Sandoz AG
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Filing: 1966-12-12
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Granted: 1968-10-29
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Expires: 1986-12-12
Abstract
No abstract record available.
Inventors
- 👤 Wartburg Albert Von
- 👤 Kuhn Max
- 👤 Keller Camilla
- 👤 Renz Jany
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:29
CPC Classifications
C; C07; C07H; C07H17/00; C07H17/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2049758A
Cited
US2088792A
Cited
US2275969A
Cited
US3157634A
Cited
FR1358040A
Cited
US3296245A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-29 | 1972-04-29 | 1972-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-29 | 1976-04-29 | 1976-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-29 | 1980-04-29 | 1980-10-29 | $7700.00 | Window Closed / Lapsed |