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US3798276A Expired / Lapsed US ⏱️ 0.0 years remaining

Herbicidal 4-trifluoromethyl-4'-nitrodiphenyl ethers

Assignee: Individual
•
Filing: 1972-03-14
•
Granted: 1974-03-19
•
Expires: 1992-03-14
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Abstract

Abstract COMPOUNDS OF THE FORMULA 1-(O2N-),2-Z,4-((2-X,4-(F3C-),6-Y-PHENYL)-O-)BENZENE WHEREIN X IS A HYDROGEN ATOM, A HALOGEN ATOM, A TRIHALOMETHYL GROUP, AN ALKYL GROUP, OR A CYANO GROUP, Y IS A HYDROGEN ATOM, A HALOGEN ATOM, OR A TRIHALOMETHYL GROUP, AND Z IS AN ALKOXY GROUP, AN ALKOXYALKOXY GROUP, A HYDROXYALKOXY GROUP, AN ALKYL GROUP, A HALOGEN ATOM, AN ALKYLAMINO GROUP, A DIALKYLAMINO GROUP, AN ALKYLTHIO GROUP, A CARBOXY GROUP, A CARBALKOXY GROUP, A CARBOXYALKYL GROUP, A CARBALKOXYALKOXY GROUP, A CARBOXYALKYL GROUP, A CARBALKOXYALKLY GROUP, A DIALKYUREIDO GROUP, ANY ALKANOYLAMINO GROUP, OR A CARBALKOXYAMINO GROUP, AND COMPOSITIONS CONTAINING THESE COMPOUNDS EXHIBIT HERBICIDAL ACTIVITY.

Inventors

  • 👤 R Yih
  • 👤 H Bayer
  • 👤 C Swithenbank

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 16:22
CPC Classifications
C; C07; C07D; C07D303/00; C07D303/02; C07D303/12; C07D303/18; C07D303/20; C07D303/24; C07C; C07C17/00; C07C17/093; C07C205/00; C07C205/07; C07C205/11; C07C205/12; C07C205/27; C07C205/35; C07C205/36; C07C205/38; C07C205/39; C07C205/42; C07C205/43; C07C205/49; C07C205/57; C07C205/59; C07C275/00; C07C275/28; C07C275/32; C07C275/34; C07C275/36; C07C317/00; C07C323/00

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1977-03-18 1977-09-17 1978-03-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1981-03-18 1981-09-17 1982-03-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1985-03-18 1985-09-17 1986-03-19 $7700.00 Window Closed / Lapsed

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