Patent US4015975A successfully refreshed from Google Patents.
US4015975A
Expired / Lapsed
US
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Compositions containing alkyl 2-nitro-5-(2',4'-dichlorophenoxy)-thiobenzoates, and method of use thereof
Assignee: Astellas Pharma Inc
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Filing: 1976-01-28
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Granted: 1977-04-05
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Expires: 1996-01-28
Abstract
Abstract A compound of the formula <IMAGE> wherein R is a lower alkyl group, useful as a herbicide, and a method of its preparation. A method of killing weeds using said compound is also disclosed.
Inventors
- 👤 Saburo Tamura
- 👤 Tetsuo Takematsu
- 👤 Hisae Haruta
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 11:10
CPC Classifications
A; A01; A01N; A01N41/00; A01N41/02; A01N41/10; A01N37/00; A01N37/18; A01N37/20; A01N2300/00
Claims Analysis
Total Claims: 20
Claim 1
Independent Claim
30 words
A method of killing weeds, which comprises applying to said weeds an amount effective to injure said weeds of a compound of the formula: ##STR8## wherein R is lower alkyl.
Claim 2
Independent Claim
30 words
A method of killing weeds, which comprises applying to said weeds an amount effective to injure said weeds of a compound of the formula: ##STR8## wherein R is lower alkyl.
Claim 3
Dependent Claim
15 words
The method of claim 1 wherein R is a lower alkyl having 1-3 carbon atoms.
Claim 4
Dependent Claim
19 words
The method of claim 1 wherein said amount is effective to injure weeds and not effective to kill Graminaceae.
Claim 5
Dependent Claim
13 words
The method of claim 1 wherein said amount is at least 0.5 g/are.
Claim 6
Dependent Claim
19 words
The method of claim 4 wherein said amount is effective to kill weeds and not effective to kill wheat.
Claim 7
Dependent Claim
14 words
The method according to claim 1, in which the herbicidal compound is methyl 2-nitro-5-(2',4'-dichlorophenoxy)thiobenzoate.
Claim 8
Dependent Claim
14 words
The method according to claim 1, in which the herbicidal compound is ethyl 2-nitro-5-(2',4'-dichlorophenoxy)thiobenzoate.
Claim 9
Dependent Claim
14 words
The method according to claim 1, in which the herbicidal compound is n-propyl 2-nitro-5-(2',4'-dichlorophenoxy)thiobenzoate.
Claim 10
Dependent Claim
14 words
The method according to claim 1, in which the herbicidal compound is isopropyl 2-nitro-5-(2',4'-dichlorophenoxy)thiobenzoate.
Claim 11
Dependent Claim
33 words
The composition which comprises, as an active ingredient, an effective amount to injure weeds of at least one compound of the formula: ##STR9## wherein R is lower alkyl, and an acceptable inert carrier.
Claim 12
Dependent Claim
33 words
The composition which comprises, as an active ingredient, an effective amount to injure weeds of at least one compound of the formula: ##STR9## wherein R is lower alkyl, and an acceptable inert carrier.
Claim 13
Dependent Claim
15 words
The composition of claim 10 wherein R is a lower alkyl having 1-3 carbon atoms.
Claim 14
Dependent Claim
19 words
The composition of claim 10 wherein said amount is effective to injure weeds and not effective to kill Graminaceae.
Claim 15
Dependent Claim
13 words
The composition of claim 10 wherein said amount is up to 1,000 ppm.
Claim 16
Dependent Claim
19 words
The composition of claim 13 wherein said amount is effective to injure weeds and not effective to kill wheat.
Claim 17
Dependent Claim
14 words
The composition according to claim 10, in which the active ingredient is methyl 2-nitro-5-(2',4'-dichlorophenoxy)thiobenzoate.
Claim 18
Dependent Claim
14 words
The composition according to claim 10, in which the active ingredient is ethyl 2-nitro-5-(2',4'-dichlorophenoxy)thiobenzoate.
Claim 19
Dependent Claim
14 words
The composition according to claim 10, in which the active ingredient is n-propyl 2-nitro-5-(2',4'-dichlorophenoxy)thiobenzoate.
Claim 20
Dependent Claim
14 words
The composition according to claim 10, in which the active ingredient is isopropyl 2-nitro-5-(2',4'-dichlorophenoxy)thiobenzoate.
References Cited (Backward Citations)
US3784635A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-04-04 | 1980-10-04 | 1981-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-04-04 | 1984-10-04 | 1985-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-04-04 | 1988-10-04 | 1989-04-05 | $7700.00 | Window Closed / Lapsed |