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US4398943A Expired / Lapsed US ⏱️ 0.0 years remaining

Triazolinone derivative and herbicidal use thereof

Assignee: Nihon Nohyaku Co Ltd
•
Filing: 1981-12-15
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Granted: 1983-08-16
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Expires: 2001-12-15
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Abstract

Abstract There is provided a new herbicidal compound of the formula, <IMAGE> wherein R1 is an alkyl group; R2 is an alkynyl group, a halomethyl group, or a haloethyl group; and X is an alkoxy group, an alkenyloxy group, an alkoxy-alkoxy group, an alkynyloxy group, a hydroxy group, a halomethyloxy group, or a haloethyloxy group.

Inventors

  • 👤 Mitsuru Kajioka
  • 👤 Katsumasa Okawa
  • 👤 Kuniaki Taninaka

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 14:22
CPC Classifications
A; A01; A01N; A01N43/00; A01N43/64; A01N43/647; A01N43/653; A01N47/00; A01N47/02; C; C07; C07D; C07D249/00; C07D249/02; C07D249/08; C07D249/10; C07D249/12

Claims Analysis

Total Claims: 44
Claim 1
Independent Claim 86 words
A Δ 2 -1,2,4-triazoline-5-one derivative represented by the formula (I) ##STR24## wherein R 1 is a C 1 -C 4 alkyl group; R 2 is a C 3 -C 5 alkynyl group, a halomethyl group, or a haloethyl group; and X is a C 1 -C 4 alkoxy group, a C 2 -C 6 alkenyloxy group, a C 2 -C 6 alkoxyalkoxy group, a C 3 -C 8 alkynyloxy group, a hydroxy group, a halomethyloxy group, a 3-chloro-2-propenoxy group, a 1-ethynyl-1-cyclohexyloxy group, or a halethyloxy group.
Claim 2
Dependent Claim 86 words
A Δ 2 -1,2,4-triazoline-5-one derivative represented by the formula (I) ##STR24## wherein R 1 is a C 1 -C 4 alkyl group; R 2 is a C 3 -C 5 alkynyl group, a halomethyl group, or a haloethyl group; and X is a C 1 -C 4 alkoxy group, a C 2 -C 6 alkenyloxy group, a C 2 -C 6 alkoxyalkoxy group, a C 3 -C 8 alkynyloxy group, a hydroxy group, a halomethyloxy group, a 3-chloro-2-propenoxy group, a 1-ethynyl-1-cyclohexyloxy group, or a halethyloxy group.
Claim 3
Dependent Claim 15 words
A Δ 2 -1,2,4-triazolin-5-one derivative of claim 1, wherein R 2 is the halomethyl group.
Claim 4
Dependent Claim 16 words
A Δ 2 -1,2,4-triazolin-5-one derivative of claim 2, wherein the halomethyl group is a difluoromethyl group.
Claim 5
Dependent Claim 46 words
A Δ 2 -1,2,4-triazolin-5-one derivative of claim 1, wherein X is a C 1 -C 4 alkoxy group, a C 2 -C 6 alkenyloxy group, a C 2 -C 6 alkoxyalkoxy group, a 3-chloro-2-propenoxy group, a 1-ethynyl-1-cyclohexyloxy group, or a C 3 -C 8 alkynyloxy group.
Claim 6
Dependent Claim 53 words
A Δ 2 -1,2,4-triazolin-5-one derivative of claim 1, wherein R 2 is a halomethyl group; and X is a C 1 -C 4 alkoxy group, a C 2 -C 6 alkenyloxy group, a 3-chloro-2-propenoxy group, a 1-ethynyl-1-cyclohexyloxy group, a C 2 -C 6 alkoxyalkoxy group, or a C 3 -C 8 alkynyloxy group.
Claim 7
Dependent Claim 16 words
A Δ 2 -1,2,4-triazolin-5-one derivative of claim 5, wherein the halomethyl group is a diflouromethyl group.
Claim 8
Dependent Claim 3 words
1(2,4-dichloro-5-isopropoxyphenyl)-3-methyl-4-difluromethyl-Δ 2 -1,2,4-triazolin-5one.
Claim 9
Dependent Claim 3 words
1(2,4-dichloro-5-isopropoxyphenyl)-3-methyl-4-difluromethyl-Δ 2 -1,2,4-triazolin-5one.
Claim 10
Dependent Claim 3 words
1-(2,4-dichloro-5-allyloxyphenyl)-3-methyl-4-difluromethyl-Δ 2 -1,2,4-triazolin-5-one.
Claim 11
Dependent Claim 3 words
1-(2,4-dichloro-5-allyloxyphenyl)-3-methyl-4-difluromethyl-Δ 2 -1,2,4-triazolin-5-one.
Claim 12
Dependent Claim 3 words
1-(2,4-dichloro-5-propargyloxyphenyl)-3-methyl-4-difluromethyl-Δ 2 -1,2,4-triazolin-5-one.
Claim 13
Dependent Claim 3 words
1-(2,4-dichloro-5-propargyloxyphenyl)-3-methyl-4-difluromethyl-Δ 2 -1,2,4-triazolin-5-one.
Claim 14
Dependent Claim 3 words
1-(2,4-dichloro-5-methoxymethoxyphenyl)-3-methyl-4-difluoromethyl-Δ 2 -1,2,4-triazolin-5-one.
Claim 15
Dependent Claim 3 words
1-(2,4-dichloro-5-methoxymethoxyphenyl)-3-methyl-4-difluoromethyl-Δ 2 -1,2,4-triazolin-5-one.
Claim 16
Dependent Claim 98 words
A herbicidal composition comprising an effective amount of a Δ 2 -1,2,4-triazolin-5-one derivative and a diluent, said derivative being represented by the formula ##STR25## wherein R 1 is a C 1 -C 4 alkyl group; R 2 is a C 3 -C 5 alkynyl group, a halomethyl group, or a haloethyl group; and X is C 1 -C 4 alkoxy group, a C 2 -C 6 alkenyloxy group, a C 2 -C 6 alkoxyalkoxy group, a C 3 -C 8 alkynyloxy group, a hydroxy group, a halomethyloxy group, a 3-chloro-2-propenoxy group, a 1-ethynyl-1-cyclohexyloxy group, or a haloethyloxy group.
Claim 17
Dependent Claim 98 words
A herbicidal composition comprising an effective amount of a Δ 2 -1,2,4-triazolin-5-one derivative and a diluent, said derivative being represented by the formula ##STR25## wherein R 1 is a C 1 -C 4 alkyl group; R 2 is a C 3 -C 5 alkynyl group, a halomethyl group, or a haloethyl group; and X is C 1 -C 4 alkoxy group, a C 2 -C 6 alkenyloxy group, a C 2 -C 6 alkoxyalkoxy group, a C 3 -C 8 alkynyloxy group, a hydroxy group, a halomethyloxy group, a 3-chloro-2-propenoxy group, a 1-ethynyl-1-cyclohexyloxy group, or a haloethyloxy group.
Claim 18
Dependent Claim 13 words
A herbidical composition of claim 11, wherein R 2 is a halomethyl group.
Claim 19
Dependent Claim 14 words
A herbidical composition of claim 12, wherein the halomethyl group is a difluoromethyl group.
Claim 20
Dependent Claim 44 words
A herbicidal composition of claim 11, wherein X is a C 1 -C 4 alkoxy group, a C 2 -C 6 alkenyloxy group, a C 2 -C 6 alkoxyalkoxy group, a 3-chloro-2-propenoxy group, a 1-ethynyl-1-cyclohexyloxy group, or a C 3 -C 8 alkynyloxy group.
Claim 21
Dependent Claim 51 words
A herbicidal composition of claim 11, wherein R 2 is a halomethyl group; and X is a C 1 -C 4 alkoxy group, a C 2 -C 6 alkenyloxy group, a C 2 -C 6 alkoxyalkoxy group, a 3-chloro-2-propenoxy group, a 1-ethynyl-1-cyclohexyloxy group, or a C 3 -C 8 alkynyloxy group.
Claim 22
Dependent Claim 14 words
A herbicidal composition of claim 15, wherein the halomethyl group is a difluoromethyl group.
Claim 23
Dependent Claim 16 words
A herbicidal composition of claim 11, wherein the Δ 2 -1,2,4-triazolin-5-one derivative is 1-(2,4-dichloro-5-isopropoxyphenyl)-3-methyl-4-difluromethyl-Δ 2 -1,2,4-triazolin-5-one.
Claim 24
Dependent Claim 16 words
A herbicidal composition of claim 11, wherein the Δ 2 -1,2,4-triazolin-5-one derivative is 1-(2,4-dichloro-5-allyloxyphenyl)-3-methyl-4-difluoromethyl-Δ 2 -1,2,4-triazolin-5-one.
Claim 25
Dependent Claim 15 words
A herbicidal composition of claim 11, wherein the Δ 2 -1,2,4-triazolin-5-one derivative is 1-(2,4-dichloro-5-propargyloxyphenyl)-3-methyl-4-difluoromethyl-Δ.sup.2 -1,2,4-triazolin-5-one.
Claim 26
Dependent Claim 15 words
A herbicidal composition of claim 11, wherein the Δ 2 -1,2,4-triazolin-5-one derivative is 1-(2,4-dichloro-5-methoxymethoxyphenyl)-3-methyl-4-difluromethyl-Δ.sup.2 -1,2,4-triazolin-5-one.
Claim 27
Dependent Claim 21 words
A method of killing plants comprising applying to the plants a herbicidally effective amount of a compound according to claim 1.
Claim 28
Dependent Claim 21 words
A method of killing plants comprising applying to the plants a herbicidally effective amount of a compound according to claim 2.
Claim 29
Dependent Claim 21 words
A method of killing plants comprising applying to the plants a herbicidally effective amount of a compound according to claim 3.
Claim 30
Dependent Claim 21 words
A method of killing plants comprising applying to the plants a herbicidally effective amount of a compound according to claim 4.
Claim 31
Dependent Claim 21 words
A method of killing plants comprising applying to the plants a herbicidally effective amount of a compound according to claim 5.
Claim 32
Dependent Claim 20 words
A method of killing plants comprising applying to the plants a herbicidally effective amount of the compound of claim 6.
Claim 33
Dependent Claim 20 words
A method of killing plants comprising applying to the plants a herbicidally effective amount of the compound of claim 7.
Claim 34
Dependent Claim 20 words
A method of killing plants comprising applying to the plants a herbicidally effective amount of the compound of claim 8.
Claim 35
Dependent Claim 20 words
A method of killing plants comprising applying to the plants a herbicidally effective amount of the compound of claim 9.
Claim 36
Dependent Claim 20 words
A method of killing plants comprising applying to the plants a herbicidally effective amount of the compound of claim 10.
Claim 37
Dependent Claim 16 words
A method according to claim 21 wherein the compound is applied before emergence of the plants.
Claim 38
Dependent Claim 16 words
A method according to claim 21 wherein the compound is applied after emergence of the plants.
Claim 39
Dependent Claim 37 words
A method of selectively killing weeds in a crop of useful plants comprising applying to the crop an amount of a compound of claim 1 effective to kill the weeds but insufficient to kill the useful crop.
Claim 40
Dependent Claim 16 words
A method according to claim 33 wherein the herbicide is applied efore emergence of the plants.
Claim 41
Dependent Claim 11 words
A method according to claim 34 wherein the crop is rice.
Claim 42
Dependent Claim 16 words
A method according to claim 33 wherein the herbicide is applied after emergence of the plants.
Claim 43
Dependent Claim 13 words
A method according to claim 36 wherein the crop is rice or soybeans.
Claim 44
Dependent Claim 10 words
A compound according to claim 5 wherein X is 1-ethynyl-1-cyclohexyloxy.

References Cited (Backward Citations)

DE2725148A1 Cited
US4276420A Cited
GB2056971A Cited
US4318731A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1986-08-15 1987-02-14 1987-08-16 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1990-08-15 1991-02-14 1991-08-16 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1994-08-15 1995-02-14 1995-08-16 $7700.00 Window Closed / Lapsed

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