US3404144A
Expired / Lapsed
US
⏱️ 0.0 years remaining
1-beta-d-arabinofuranosyl-5-fluorocytosine compounds
Assignee: Research Corp
•
Filing: 1965-12-23
•
Granted: 1968-10-01
•
Expires: 1985-12-23
Abstract
No abstract record available.
Inventors
- 👤 Jack J Fox
- 👤 Naishun C Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:38
CPC Classifications
C; C07; C07H; C07H19/00; C07H19/02; C07H19/04; C07H19/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
14 words
1 -(B-D-ARABINOFURANOSYL)-4-ALKYLMERCAPTO-5FLUORO-2-PYRIMIDINONES IN WHICH THE 4-ALKYL GROUP CONTAINS FROM ONE TO EIGHT CARBON ATOMS.
Claim 2
Dependent Claim
14 words
1 -(B-D-ARABINOFURANOSYL)-4-ALKYLMERCAPTO-5FLUORO-2-PYRIMIDINONES IN WHICH THE 4-ALKYL GROUP CONTAINS FROM ONE TO EIGHT CARBON ATOMS.
References Cited (Backward Citations)
US3002965A
Cited
US3328388A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-01 | 1972-04-01 | 1972-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-01 | 1976-04-01 | 1976-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-01 | 1980-04-01 | 1980-10-01 | $7700.00 | Window Closed / Lapsed |