US3159630A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pyrimidinyl omicron-alkyl phosphoramidates and phosphoramidothioates
Assignee: Dow Chemical Co
•
Filing: 1961-06-14
•
Granted: 1964-12-01
•
Expires: 1981-06-14
Abstract
No abstract record available.
Inventors
- 👤 Raymond H Rigterink
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 15:17
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/547; C07F9/645; C07F9/6509; C07F9/6512
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
6 words
A COMPOUND CORRESPONDING TO THE FORMULA
Claim 2
Dependent Claim
6 words
A COMPOUND CORRESPONDING TO THE FORMULA
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) | 1967-12-01 | 1968-06-01 | 1968-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-12-01 | 1972-06-01 | 1972-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-12-01 | 1976-06-01 | 1976-12-01 | $7700.00 | Window Closed / Lapsed |