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US5139564A Expired / Lapsed US ⏱️ 0.0 years remaining

Herbicidal aryloxyacetic acid derivatives

Assignee: Individual
•
Filing: 1991-01-03
•
Granted: 1992-08-18
•
Expires: 2011-01-03
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Abstract

Abstract Aryloxyacetic acid derivatives of the formula ##STR1## where R 1 is H, CH 3 , Cl, Br, F, or NO 2 ; R 2 is H or Cl; R 3 is H, CH 3 C(CH 3 ) 3 , Cl, Br or NO 2 ; R 4 is H or Cl; R 5 is H, CH 3 , Cl, Br or F; and R 6 is 2-pyridylamino or 2-ethylene thiourea, are useful a herbicides.

Inventors

  • 👤 Sang W. Park
  • 👤 Byung I. Lee

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 21:10
CPC Classifications
C; C07; C07D; C07D213/00; C07D213/02; C07D213/04; C07D213/60; C07D213/72; C07D213/75; A; A01; A01N; A01N39/00; A01N39/02; A01N39/04; A01N43/00; A01N43/34; A01N43/40; A01N43/48; A01N43/50; C07C; C07C327/00; C07C327/20; C07C327/22; C07D233/00; C07D233/54; C07D233/66; C07D233/70; C07D233/84

Claims Analysis

Total Claims: 4
Claim 1
Independent Claim 55 words
A method of controlling undesirable vegetation, comprising applying to the locus where control is desired an herbicidally effective amount of a compound selected from the group consisting of 2-(2',3'-dichlorophenoxy)-N-(2'-pyridinyl)-acetamide, 2-(2',6'-dichlorophenoxy)-N-(2'-pyridinyl)-acetamide, 2-(2',4',6'-trichlorophenoxy)-N-(2'-pyridinyl)-acetamide, 2-(2',4',5'-trichlorophenoxy)-N-(2'-pyridinyl))-acetamide, 2-(4'-bromo-2'-chlorophenoxy)-N-(2'-pyridinyl)-acetamide, 2-(4'-t-butylphenoxy)-N-(2'-pyridinyl)-acetamide, 2-(4'-chloro-2'-nitrophenoxy)-N-(2'-pyridinyl)-acetamide, 2-(4'-bromo-2',6'-dimethylphenoxy)-N-(5'-chloro-2'-pyridinyl)-acetamide, 2-(2',4',6'-trichlorophenoxy)-N-(5'-chloro-2'-pyridinyl)-acetamide, 2-(2',6'-dibromo-4'-methylphenoxy)-N-(5'-chloro-5'-pyridinyl)-acetamide, [2-(4'-bromo-2',6'-dimethylphenoxy)-acet-S-propylester, 2-(2',6'-dichlorophenoxy)-acet-S-butylester, 2-(2',6'-dichlorophenoxy)-acet-S-(p-chlorobenzyl)ester, 2-(2',4',5'-trichlorophenoxy)-acet-S-(p-chlorobenzyl)ester, 2-(2',3'-dichlorophenoxy)-acet-S-(p-chlorobenzyl)ester, 2-(4'-t-butylphenoxy)-acet-S-(p-chlorobenzyl)ester,]2-(4'-bromo-2',6'-dimethylphenoxy)-N-(2'-pyridinyl)-acetamide, 2-(2',6'-dibromo-4'-methylphenoxy)-N-(2'-pyridinyl)-acetamide, [2-(2',6'-dibromo-4'-methylphenoxy)-acet-S-(p-chlorobenzyl)ester, 2-(2',4',6'-trichlorophenoxy)-acet-S-(p-chlorobenzyl)ester,]N-(2-chloro-4-nitrophenoxyacetyl)-ethylene thiourea, N-(2,3-dichlorophenoxyacetyl)-ethylene thiourea, N-(2,6-difluorophenoxyacetyl)-ethylene thiourea, and N-(3,4,5-trichlorophenoxyacetyl)-ethylene thiourea.
Claim 2
Independent Claim 55 words
A method of controlling undesirable vegetation, comprising applying to the locus where control is desired an herbicidally effective amount of a compound selected from the group consisting of 2-(2',3'-dichlorophenoxy)-N-(2'-pyridinyl)-acetamide, 2-(2',6'-dichlorophenoxy)-N-(2'-pyridinyl)-acetamide, 2-(2',4',6'-trichlorophenoxy)-N-(2'-pyridinyl)-acetamide, 2-(2',4',5'-trichlorophenoxy)-N-(2'-pyridinyl))-acetamide, 2-(4'-bromo-2'-chlorophenoxy)-N-(2'-pyridinyl)-acetamide, 2-(4'-t-butylphenoxy)-N-(2'-pyridinyl)-acetamide, 2-(4'-chloro-2'-nitrophenoxy)-N-(2'-pyridinyl)-acetamide, 2-(4'-bromo-2',6'-dimethylphenoxy)-N-(5'-chloro-2'-pyridinyl)-acetamide, 2-(2',4',6'-trichlorophenoxy)-N-(5'-chloro-2'-pyridinyl)-acetamide, 2-(2',6'-dibromo-4'-methylphenoxy)-N-(5'-chloro-5'-pyridinyl)-acetamide, [2-(4'-bromo-2',6'-dimethylphenoxy)-acet-S-propylester, 2-(2',6'-dichlorophenoxy)-acet-S-butylester, 2-(2',6'-dichlorophenoxy)-acet-S-(p-chlorobenzyl)ester, 2-(2',4',5'-trichlorophenoxy)-acet-S-(p-chlorobenzyl)ester, 2-(2',3'-dichlorophenoxy)-acet-S-(p-chlorobenzyl)ester, 2-(4'-t-butylphenoxy)-acet-S-(p-chlorobenzyl)ester,]2-(4'-bromo-2',6'-dimethylphenoxy)-N-(2'-pyridinyl)-acetamide, 2-(2',6'-dibromo-4'-methylphenoxy)-N-(2'-pyridinyl)-acetamide, [2-(2',6'-dibromo-4'-methylphenoxy)-acet-S-(p-chlorobenzyl)ester, 2-(2',4',6'-trichlorophenoxy)-acet-S-(p-chlorobenzyl)ester,]N-(2-chloro-4-nitrophenoxyacetyl)-ethylene thiourea, N-(2,3-dichlorophenoxyacetyl)-ethylene thiourea, N-(2,6-difluorophenoxyacetyl)-ethylene thiourea, and N-(3,4,5-trichlorophenoxyacetyl)-ethylene thiourea.
Claim 3
Dependent Claim 38 words
A method in accordance with claim 1 in which said compound is a member selected from the group consisting of 2-(2',3'-dichlorophenoxy)-N-(2'-pyridinyl)-acetamide, 2-(2',6'-dichlorophenoxy)-N-(2'-pyridinyl)-acetamide, 2-(2',4',6'-trichlorophenoxy)-N-(2'-pyridinyl)-acetamide, 2-(2',4',5'-trichlorophenoxy)-N-(2'-pyridinyl)-acetamide, 2-(4'-bromo-2'-chlorophenoxy)-N-(2'-pyridinyl)-acetamide, 2-(4'-t-butylphenoxy)-N-(2'-pyridinyl)-acetamide, 2-(4'-chloro-2'-nitrophenoxy)-N-(2'-pyridinyl)-acetamide, 2-(4'-bromo-2',6'-dimethylphenoxy)-N-(2'-pyridinyl)-acetamide, 2-(2',6'-dibromo-4'-methylphenoxy)-N-(2'-pyridinyl)-acetamide, N-(2-chloro-4-nitrophenoxyacteyl)-ethylene thiourea, N-(2,3-dichlorophenoxyacetyl)-ethylene thiourea, N-(2,6-difluorophenoxyacetyl)-ethylene thiourea, and N-(3,4,5-trichlorophenoxyacetyl)-ethylene thiourea.
Claim 4
Dependent Claim 16 words
A method in accordance with claim 1 comprising applying said compound postemergence to said undesirable vegetation.

References Cited (Backward Citations)

GB770063A Cited
US3445221A Cited
US3716554A Cited
DE3101889A1 Cited
US4535087A Cited
US4608081A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1995-08-18 1996-02-17 1996-08-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1999-08-18 2000-02-17 2000-08-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2003-08-18 2004-02-17 2004-08-18 $7700.00 Window Closed / Lapsed

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