US3907796A
Expired / Lapsed
US
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Imidazo-s-triazinediones and byrimido-s-triazinediones
Assignee: EIDP Inc
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Filing: 1974-05-24
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Granted: 1975-09-23
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Expires: 1994-05-24
Abstract
Abstract Herbicidal triazenediones of the formula WHEREIN R1 is certain organic radicals and R2 is hydrogen or methyl. Exemplary of such compounds is: 3-cyclohexyl-6,7-dihydro-8methylimidazo-(1,2-a)-s-triazine-2,4-(3H,8H) -dione.
Inventors
- 👤 Richard A Jewell
- 👤 Kang Lin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 14:42
CPC Classifications
C; C07; C07D; C07D487/00; C07D487/02; C07D487/04; C07C; C07C335/00; C07C335/30; C07C335/32; C07D251/00; C07D251/02; C07D251/12; C07D251/26; C07D251/38; C07D251/40; C07D251/42; C07D251/46
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
5 words
A COMPOUND OF THE FORMULA:
Claim 2
Dependent Claim
5 words
A COMPOUND OF THE FORMULA:
Claim 3
Dependent Claim
42 words
A compound of claim 1 wherein R1 is alkyl of 3 through 6 carbon atoms, cycloalkyl of 5 through 8 carbon atoms, or cycloalkyl of 5 through 8 carbon atoms substituted with 1 methyl group; R2 is methyl; and n is 2.
Claim 4
Dependent Claim
9 words
The compound of claim 2 which is 3-cyclohexyl-6,7-dihydro-8-methyl-imidazo(1,2-a)-s-triazine-2,4-(3H,8H) -dione.
References Cited (Backward Citations)
US3637684A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-09-22 | 1979-03-24 | 1979-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-09-22 | 1983-03-24 | 1983-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-09-22 | 1987-03-24 | 1987-09-23 | $7700.00 | Window Closed / Lapsed |