Patent US3887565A successfully refreshed from Google Patents.
US3887565A
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US
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Vincadioline
Assignee: Eli Lilly and Co
•
Filing: 1974-05-06
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Granted: 1975-06-03
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Expires: 1994-05-06
Abstract
Abstract Vincadioline, a novel indole-dihydroindole alkaloid obtained in small quantities from Vinca Rosea, active as an antimitotic.
Inventors
- 👤 William E Jones
- 👤 George J Cullinan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 05:28
CPC Classifications
C; C07; C07D; C07D519/00; C07D519/04
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
4 words
VINCADIOLINE HAVING THE FORMULA
Claim 2
Dependent Claim
4 words
VINCADIOLINE HAVING THE FORMULA
Claim 3
Dependent Claim
4 words
Vincadioline having the formula
Claim 4
Dependent Claim
4 words
Vincadioline having the formula
Claim 5
Dependent Claim
9 words
A sulfate salt of the compound of claim 1.
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) | 1978-06-02 | 1978-12-02 | 1979-06-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-06-02 | 1982-12-02 | 1983-06-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-06-02 | 1986-12-02 | 1987-06-03 | $7700.00 | Window Closed / Lapsed |