US4382947A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combating pests with N-methyl-carbamic acid O-pyrazol-4-yl esters
Assignee: Bayer AG
•
Filing: 1981-11-09
•
Granted: 1983-05-10
•
Expires: 2001-11-09
Abstract
Abstract N-Methyl-carbamic acid O-pyrazol-4-yl esters of the formula ##STR1## in which R is optionally substituted alkyl, alkenyl, alkynyl, cycloalkyl or phenyl, which possess insecticidal, acaricidal and nematicidal properties.
Inventors
- 👤 Fritz Maurer
- 👤 Ingeborg Hammann
- 👤 Bernhard Homeyer
- 👤 Wolfgang Behrenz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 07:54
CPC Classifications
C; C07; C07D; C07D231/00; C07D231/02; C07D231/10; C07D231/14; C07D231/18; A; A01; A01N; A01N47/00; A01N47/08; A01N47/10; A01N47/18
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
32 words
An N-methyl-carbamic acid O-pyrazol-4-yl (1-substituted)-ester of the formula ##STR24## in which R is alkyl, alkenyl, alkinyl or alkoxyalkyl with up to 4 carbon atoms, or cycloalkyl with 3 to 6 carbon atoms.
Claim 2
Dependent Claim
32 words
An N-methyl-carbamic acid O-pyrazol-4-yl (1-substituted)-ester of the formula ##STR24## in which R is alkyl, alkenyl, alkinyl or alkoxyalkyl with up to 4 carbon atoms, or cycloalkyl with 3 to 6 carbon atoms.
Claim 3
Dependent Claim
18 words
A compound according to claim 1, wherein such compound is N-methyl-carbamic acid O-(1-iso-propyl-pyrazol-4-yl) ester of the formula ##STR25##
Claim 4
Dependent Claim
18 words
A compound according to claim 1, wherein such compound is N-methyl-carbamic acid O-(1-n-propyl-pyrazol-4-yl) ester of the formula ##STR26##
Claim 5
Dependent Claim
18 words
A compound according to claim 1, wherein such compound is N-methyl-carbamic acid O-(1-sec.-butyl-pyrazol-4-yl) ester of the formula ##STR27##
Claim 6
Dependent Claim
18 words
A compound according to claim 1, wherein such compound is N-methyl-carbamic acid O-(1-tert.-butyl-pyrazol-4-yl) ester of the formula ##STR28##
Claim 7
Dependent Claim
18 words
A compound according to claim 1, wherein such compound is N-methyl-carbamic acid O-(1-allyl-pyrazol-4-yl) ester of the formula ##STR29##
Claim 8
Dependent Claim
26 words
An insecticidal, acaricidal or nematicidal composition comprising an insecticidally, acaricidally or nematicidally effective amount of a compound according to claim 1 in admixture with a diluent.
Claim 9
Dependent Claim
35 words
A method of combating insects, acarids or nematodes comprising applying to the insects, acarids or nematodes, or to a habitat thereof, an insecticidally, acaricidally or nematicidally effective amount of a compound according to claim 1.
Claim 10
Dependent Claim
45 words
The method according to claim 8, wherein such compound is N-methyl-carbamic acid O-(1-iso-propyl-pyrazol-4-yl) ester, N-methyl-carbamic acid O-(1-n-propyl-pyrazol-4-yl) ester N-methyl-carbamic acid O-(1-sec.butyl-pyrazol-4-yl) ester N-methyl-carbamic acid O-(1-tert.-butyl-pyrazol-4-yl) ester, or N-methyl-carbamic acid O-(1-allyl-pyrazol-4-yl) ester, and it is applied to a domesticated animal to free the animal from parasites.
References Cited (Backward Citations)
US2681915A
Cited
CH414249A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1986-05-09 | 1986-11-08 | 1987-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-05-09 | 1990-11-08 | 1991-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-05-09 | 1994-11-08 | 1995-05-10 | $7700.00 | Window Closed / Lapsed |