US4075239A
Expired / Lapsed
US
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Cyclohexane derivatives
Assignee: Nippon Soda Co Ltd
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Filing: 1977-02-16
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Granted: 1978-02-21
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Expires: 1997-02-16
Abstract
Abstract Various substituted cyclohexane-1,3-diones are useful as herbicides.
Inventors
- 👤 Mikio Sawaki
- 👤 Isao Iwataki
- 👤 Yoshihiko Hirono
- 👤 Hisao Ishikawa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:21
CPC Classifications
C; C07; C07D; C07D307/00; C07D307/02; C07D307/34; C07D307/38; C07D307/52; C07D333/00; C07D333/02; C07D333/04; C07D333/06; C07D333/22
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
31 words
A compound of the formula ##STR13## wherein R 1 is selected from the group consisting of ethyl and propyl. R 2 is selected from the group consisting of ethyl and allyl.
Claim 2
Dependent Claim
31 words
A compound of the formula ##STR13## wherein R 1 is selected from the group consisting of ethyl and propyl. R 2 is selected from the group consisting of ethyl and allyl.
Claim 3
Dependent Claim
16 words
A compound according to claim 1, in which R 1 is propyl, R 2 is allyl.
Claim 4
Dependent Claim
39 words
The sodium, potassium, barium and calcium salts of a compound of the formula ##STR14## wherein R 1 is selected from the group consisting of ethyl and propyl, R 2 is selected from the group consisting of ethyl and allyl.
Claim 5
Dependent Claim
39 words
The sodium, potassium, barium and calcium salts of a compound of the formula ##STR14## wherein R 1 is selected from the group consisting of ethyl and propyl, R 2 is selected from the group consisting of ethyl and allyl.
Claim 6
Dependent Claim
18 words
The sodium salt compound according to claim 3 in which R 1 is propyl, R 2 is allyl.
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) | 1981-02-20 | 1981-08-22 | 1982-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-02-20 | 1985-08-22 | 1986-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-02-20 | 1989-08-22 | 1990-02-21 | $7700.00 | Window Closed / Lapsed |