US3657241A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Substituted cinnoline compounds
Assignee: Dow Chemical Co
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Filing: 1970-03-12
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Granted: 1972-04-18
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Expires: 1990-03-12
Abstract
Abstract SUBSTITUTED CINNOLINES CORRESPONDING TO THE FORMULA 3-R,4-X,6-R1,7-R2,8-R3-CINNOLINE WHERE R IS -CN OR -CONH2, X IS -CL OR -BR, R1 IS -H, -CL, -BR, -F OR -CN2N+1, N BEING AN INTEGER OF FROM 1 TO ABOUT 4, AND R2 AND R3 INDEPENDENTLY ARE -H OR -CL. THE COMPOUNDS ARE SUITABLE FOR USE AS FUNGICIDES, HERBICIDES AND INSECTICIDES.
Inventors
- 👤 Norman H Kurihara
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 08:44
CPC Classifications
C; C07; C07D; C07D237/00; C07D237/26; C07D237/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-04-18 | 1975-10-18 | 1976-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-04-18 | 1979-10-18 | 1980-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-04-18 | 1983-10-18 | 1984-04-18 | $7700.00 | Window Closed / Lapsed |