US3225047A
Expired / Lapsed
US
⏱️ 0.0 years remaining
N,n'-bis(pyrimidine-5-acetyl)ethylene diamines
Assignee: Bristol Myers Co
•
Filing: 1964-02-24
•
Granted: 1965-12-21
•
Expires: 1984-02-24
Abstract
No abstract record available.
Inventors
- 👤 Richard A Partyka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 09:04
CPC Classifications
C; C07; C07D; C07D239/00; C07D239/02; C07D239/24; C07D239/26; C07D239/28; C07D239/30; C07D239/32; C07D239/34; C07D239/36
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
12 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF COMPOUNDS OF THE FORMULA
Claim 2
Dependent Claim
12 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF COMPOUNDS OF THE FORMULA
Claim 3
Dependent Claim
5 words
N,N'' - BIS(4-METHYLPYRIMIDINE-5-ACETYL) ETHYLENE DIAMINE.
Claim 4
Dependent Claim
5 words
N,N'' - BIS(4-METHYLPYRIMIDINE-5-ACETYL) ETHYLENE DIAMINE.
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) | 1968-12-20 | 1969-06-21 | 1969-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-20 | 1973-06-21 | 1973-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-20 | 1977-06-21 | 1977-12-21 | $7700.00 | Window Closed / Lapsed |