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US4263038A Expired / Lapsed US ⏱️ 0.0 years remaining

Synergistic herbicidal compositions

Assignee: Zeneca Inc
•
Filing: 1980-02-29
•
Granted: 1981-04-21
•
Expires: 2000-02-29
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Abstract

Abstract Synergistic herbicidal activity is displayed by a composition comprising the following two components: (a) a pyrrolidone of the formula <IMAGE> in which X is selected from the group consisting of hydrogen, chlorine, and methyl; Y is selected from the group consisting of hydrogen, chlorine, and bromine; Z is selected from the group consisting of chlorine and bromine; R1 is selected from the group consisting of hydrogen and C1-C4 alkyl; R2 is selected from the group consisting of hydrogen, C1-C4 alkyl, acetyl, trifluoromethyl, nitro, cyano, C1-C4 alkoxy, C1-C4 alkylthio, C1-C4 alkylsulfonyl, C1-C4 alkylsulfinyl, trifluoromethylthio, trifluoromethylsulfinyl, trifluoromethylsulfonyl, pentafluoropropionamido, and 3-methylureido; and R3 is selected from the group consisting of hydrogen, C1-C4 alkyl, chlorine and trifluoromethyl; and (b) 3-amino-1,2,4-triazole, at a weight ratio of (a) to (b) of from about 0.01:1 to about 20:1.

Inventors

  • 👤 Gerald H. Thiele

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-06 15:01
CPC Classifications
A; A01; A01N; A01N43/00; A01N43/64; A01N43/647; A01N43/653

Claims Analysis

Total Claims: 8
Claim 1
Independent Claim 48 words
A synergistic herbicidal composition comprising a mixture of (a) an effective amount of a pyrrolidone of the formula ##STR9## in which R is cyano or trifluoromethyl, and (b) an effective amount of 3-amino-1,2,4-triazole, at a weight ratio of (a) to (b) of from about 0.25:1 to about 20:1.
Claim 2
Dependent Claim 48 words
A synergistic herbicidal composition comprising a mixture of (a) an effective amount of a pyrrolidone of the formula ##STR9## in which R is cyano or trifluoromethyl, and (b) an effective amount of 3-amino-1,2,4-triazole, at a weight ratio of (a) to (b) of from about 0.25:1 to about 20:1.
Claim 3
Dependent Claim 11 words
A composition according to claim 1 in which R is 3-trifluoromethyl.
Claim 4
Dependent Claim 11 words
A composition according to claim 1 in which R is 3-cyano.
Claim 5
Independent Claim 63 words
A method of controlling undesirable vegetation which comprises applying to the locus where control is desired a herbicidal composition comprising a mixture of (a) an effective amount of a pyrrolidone of the formula ##STR10## in which R is cyano or trifluoromethyl, and (b) an effective amount of 3-amino-1,2,4-triazole, at a weight ratio of (a) to (b) of from about 0.25:1 to about 20:1.
Claim 6
Independent Claim 63 words
A method of controlling undesirable vegetation which comprises applying to the locus where control is desired a herbicidal composition comprising a mixture of (a) an effective amount of a pyrrolidone of the formula ##STR10## in which R is cyano or trifluoromethyl, and (b) an effective amount of 3-amino-1,2,4-triazole, at a weight ratio of (a) to (b) of from about 0.25:1 to about 20:1.
Claim 7
Dependent Claim 11 words
A method according to claim 4 in which R is 3-trifluoromethyl.
Claim 8
Dependent Claim 11 words
A method according to claim 4 in which R is 3-cyano.

References Cited (Backward Citations)

US2670282A Cited
US4110105A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1984-04-20 1984-10-20 1985-04-21 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1988-04-20 1988-10-20 1989-04-21 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1992-04-20 1992-10-20 1993-04-21 $7700.00 Window Closed / Lapsed

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