US3870700A
Expired / Lapsed
US
⏱️ 0.0 years remaining
2-halogeno-2-deoxy-5-(substituted)uridines
Assignee: Bayer Corp
•
Filing: 1973-05-29
•
Granted: 1975-03-11
•
Expires: 1993-05-29
Abstract
Abstract IN WHICH X is halogeno and Y is halogeno, thiocyanato, are useful as antiviral agents or as intermediates in the synthesis of biologically active nucleosides, nucleotides or polynucleotides. Compounds of the formula
Inventors
- 👤 Michael Paul Kotick
- 👤 Joseph Odo Polazzi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 15:41
CPC Classifications
C; C07; C07H; C07H19/00; C07H19/02; C07H19/04; C07H19/06
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
5 words
A COMPOUND HAVING THE FORMULA
Claim 2
Dependent Claim
5 words
A COMPOUND HAVING THE FORMULA
Claim 3
Dependent Claim
5 words
A compound having the formula
Claim 4
Dependent Claim
5 words
A compound having the formula
Claim 5
Dependent Claim
7 words
A compound as in claim 1, 2''-fluoro-2''-deoxy-5-thiocyanato-uridine.
Claim 6
Dependent Claim
7 words
A compound as in claim 1, 2''-chloro-2''-deoxy-5-thiocyanato-uridine.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-03-10 | 1978-09-09 | 1979-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-03-10 | 1982-09-09 | 1983-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-03-10 | 1986-09-09 | 1987-03-11 | $7700.00 | Window Closed / Lapsed |