US3287453A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aminopyrimidine phosphate and thiophosphate derivatives
Assignee: Imperial Chemical Industries Ltd
•
Filing: 1964-03-19
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Granted: 1966-11-22
•
Expires: 1984-03-19
Abstract
No abstract record available.
Inventors
- 👤 Mchattie Gordon Victor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 23:01
CPC Classifications
A; A01; A01N; A01N57/00; A01N57/10; A01N57/16; C; C07; C07F; C07F9/00; C07F9/02; C07F9/547; C07F9/645; C07F9/6509; C07F9/6512
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
6 words
A PYRIMIDINE DERIVATIVE OF THE FORMULA
Claim 2
Dependent Claim
6 words
A PYRIMIDINE DERIVATIVE OF THE FORMULA
Claim 3
Dependent Claim
9 words
O,O-DIETHYL - O - (5-N-BUTYL - 2 - DIMETHYLAMINO-4METHYLPYRIMID-6-YL)PHOSPHOROTHIONATE.
Claim 4
Dependent Claim
9 words
O,O-DIETHYL - O - (5-N-BUTYL - 2 - DIMETHYLAMINO-4METHYLPYRIMID-6-YL)PHOSPHOROTHIONATE.
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) | 1969-11-21 | 1970-05-23 | 1970-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-21 | 1974-05-23 | 1974-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-21 | 1978-05-23 | 1978-11-22 | $7700.00 | Window Closed / Lapsed |