US4025554A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Halogeno-acetanilides as herbicides
Assignee: Novartis Corp
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Filing: 1972-08-28
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Granted: 1977-05-24
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Expires: 1992-08-28
Abstract
Abstract N-(Cycloalkylalkoxymethyl)-halogenoacetanilides are very suitable for selectively combating of weeds in cultivated plants such, for example, as maize, soya, cotton, sorghum sugar beets.
Inventors
- 👤 Jean Claude Tournayre
- 👤 Christian Vogel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:52
CPC Classifications
A; A01; A01N; A01N37/00; A01N37/18; A01N37/26; C; C07; C07C; C07C233/00; C07C233/01; C07C233/16
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
52 words
A compound of the formula I ##STR7## wherein R 1 and R 2 each independently represents hydrogen or lower alkyl containing from 1 to 4 carbon atoms, R 3 represents hydrogen or the methyl group, R 4 represents cycloalkyl containing from 3 to 5 carbon atoms, and X represents chlorine or bromine.
Claim 2
Dependent Claim
52 words
A compound of the formula I ##STR7## wherein R 1 and R 2 each independently represents hydrogen or lower alkyl containing from 1 to 4 carbon atoms, R 3 represents hydrogen or the methyl group, R 4 represents cycloalkyl containing from 3 to 5 carbon atoms, and X represents chlorine or bromine.
Claim 3
Dependent Claim
41 words
A compound according to claim 1 of the formula Ia ##STR8## wherein R 1 represents methyl or ethyl, R 2 represents methyl, ethyl, isopropyl or sec.butyl, R 3 represents hydrogen or methyl, and R 4 represents the cyclopropyl or cyclobutyl group.
Claim 4
Dependent Claim
34 words
A compound according to claim 1 of the formula V ##STR9## wherein R 1 represents methyl or ethyl, R 2 represents methyl, ethyl, isopropyl or sec. butyl, and R 3 represents hydrogen or methyl.
Claim 5
Dependent Claim
5 words
2-methyl-6-ethyl-N-(cyclopropylmethoxy-methyl)-chloracetanilide according to claim 1.
Claim 6
Dependent Claim
5 words
2,6-diethyl-N-(cyclopropylmethoxy-methyl)-chloracetanilide according to claim 1.
Claim 7
Dependent Claim
5 words
2-methyl-6-ethyl-N-(1-cyclopropylethoxy-methyl)-chloracetanilide according to claim 1.
Claim 8
Dependent Claim
5 words
2,6-diethyl-N-(1-cyclopropylethoxy-methyl)-chloracetanilide according to claim 1.
Claim 9
Dependent Claim
5 words
2-methyl-6-isopropyl-N-(cyclopropylmethoxy-methyl)-chloracetanilide according to claim 1.
Claim 10
Dependent Claim
5 words
2-methyl-6-isopropyl-N-(1-cyclopropylethoxy-methyl)-chloracetanilide according to claim 1.
Claim 11
Dependent Claim
5 words
2-methyl-6-ethyl-N-(1-cyclopentylethoxy-methyl)-chloracetanilide according to claim 1.
Claim 12
Dependent Claim
5 words
2,6-dimethyl-N-(cyclopropylmethoxy-methyl)-chloracetanilide according to claim 1.
Claim 13
Dependent Claim
5 words
2,6-dimethyl-N-(cyclobutylmethoxy-methyl)-chloracetanilide according to claim 1.
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) | 1980-05-23 | 1980-11-22 | 1981-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-05-23 | 1984-11-22 | 1985-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-05-23 | 1988-11-22 | 1989-05-24 | $7700.00 | Window Closed / Lapsed |