US4545809A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Herbicidal N-(5-t-butyl-3-pyrazolyl) carbamates
Assignee: SDS Biotech Corp
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Filing: 1984-06-25
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Granted: 1985-10-08
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Expires: 2004-06-25
Abstract
Abstract A pyrazole derivative represented by the formula (I): <IMAGE> (I) wherein R1 and R2 each represents a lower alkyl group, which has herbicidal activity, is disclosed. A process for preparing the pyrazole derivative of the formula (I) is also disclosed. A herbicide containing as an active ingredient the pyrazole derivative of the formula (I) is further disclosed as is a method for using the herbicide.
Inventors
- 👤 Nansho Seki
- 👤 Yuki Yamaguchi
- 👤 Yukihiro Nakamura
- 👤 Hiroshi Kubo
- 👤 Tetsuo Tsuruya
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 04:00
CPC Classifications
C; C07; C07D; C07D231/00; C07D231/02; C07D231/10; C07D231/14; C07D231/38; C07D231/40; A; A01; A01N; A01N47/00; A01N47/08; A01N47/10; A01N47/18
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
26 words
A pyrazole derivative represented by the formula (I): ##STR7## wherein R 1 and R 2 each represents an alkyl group having 1 to 4 carbon atoms.
Claim 2
Dependent Claim
26 words
A pyrazole derivative represented by the formula (I): ##STR7## wherein R 1 and R 2 each represents an alkyl group having 1 to 4 carbon atoms.
Claim 3
Dependent Claim
7 words
Methyl N-(5-t-butyl-3-pyrazolyl)-N-methylcarbamate, as claimed in claim 1.
Claim 4
Dependent Claim
42 words
A herbicidal composition comprising as an active ingredient a herbicidally effective amount of a pyrazole derivative represented by the formula (I): ##STR8## wherein R 1 and R 2 each represents an alkyl group having 1 to 4 carbon atoms and a carrier.
Claim 5
Dependent Claim
42 words
A herbicidal composition comprising as an active ingredient a herbicidally effective amount of a pyrazole derivative represented by the formula (I): ##STR8## wherein R 1 and R 2 each represents an alkyl group having 1 to 4 carbon atoms and a carrier.
Claim 6
Dependent Claim
15 words
The herbicidal composition as claimed in claim 3, wherein the pyrazole derivative is methyl N-(5-t-butyl-3-pyrazolyl)-N-methylcarbamate.
Claim 7
Independent Claim
44 words
A method for controlling noxious weeds comprising applying to plants or a locus, a herbicidally effective amount of a pyrazole derivative represented by the formula (I): ##STR9## wherein R 1 and R 2 each represents an alkyl group having 1 to 4 carbon atoms.
Claim 8
Independent Claim
44 words
A method for controlling noxious weeds comprising applying to plants or a locus, a herbicidally effective amount of a pyrazole derivative represented by the formula (I): ##STR9## wherein R 1 and R 2 each represents an alkyl group having 1 to 4 carbon atoms.
Claim 9
Dependent Claim
14 words
The method as claimed in claim 5, wherein the pyrazole derivative is methyl N-(5-t-butyl-3-pyrazolyl)-N-methylcarbamate.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1988-10-07 | 1989-04-08 | 1989-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-10-07 | 1993-04-08 | 1993-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-10-07 | 1997-04-08 | 1997-10-08 | $7700.00 | Window Closed / Lapsed |