US4515729A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cyclohexane derivatives
Assignee: Nippon Soda Co Ltd
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Filing: 1983-01-26
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Granted: 1985-05-07
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Expires: 2003-01-26
Abstract
Abstract A cyclohexane derivative having the formula <IMAGE> wherein R1 is C1-4 alkyl or halo phenyl; R2 is C1-3 alkyl or cyano group; R3 is C1-4 alkyl; R4 is C1-4 alkyl or C1-4 alkenyl; X is straight or branched chain C1-4 alkylene; and n is 0, 1 or 2, which possess herbicidal properties, and the process for its preparation.
Inventors
- 👤 Isao Iwataki
- 👤 Kagari Fujita
- 👤 Hisao Ishikawa
- 👤 Hideo Hosaka
- 👤 Kenichi Kohara
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:38
CPC Classifications
A; A01; A01N; A01N37/00; A01N37/44; C; C07; C07C; C07C319/00; C07C319/14; C07C319/20; A01N35/00; A01N35/06; A01N41/00; A01N41/02; A01N41/10; C07C323/00; C07C323/23; C07C323/24; C07C323/29
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
11 words
A compound having the structural formula ##STR16## also known as 2-(1-ethoxyaminobutylidene)-5-(2-ethylthiopropyl)-4-cyanocyclohexane-1,3-dione.
Claim 2
Dependent Claim
11 words
A compound having the structural formula ##STR16## also known as 2-(1-ethoxyaminobutylidene)-5-(2-ethylthiopropyl)-4-cyanocyclohexane-1,3-dione.
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) | 1988-05-06 | 1988-11-05 | 1989-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-05-06 | 1992-11-05 | 1993-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-05-06 | 1996-11-05 | 1997-05-07 | $7700.00 | Window Closed / Lapsed |