US3655699A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Analogues of lapachol as antitumor agents
Assignee: Pfizer Inc
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Filing: 1970-03-02
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Granted: 1972-04-11
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Expires: 1990-03-02
Abstract
Abstract THE PREPARATION OF CERTAIN NOVEL ANALOGUES OF LAPACHOL AND THE ACTIVITY OF THESE COMPOUNDS AGAINST WALKER 256 CARCINOSARCOMA IN RATS IS DISCLOSED.
Inventors
- 👤 Herman Rutner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 03:01
CPC Classifications
C; C07; C07C; C07C50/00; C07C50/26; C07C50/32; A; A61; A61K; A61K31/00; A61K31/12; C07C46/00
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) | 1975-04-11 | 1975-10-11 | 1976-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-04-11 | 1979-10-11 | 1980-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-04-11 | 1983-10-11 | 1984-04-11 | $7700.00 | Window Closed / Lapsed |