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US3895934A Expired / Lapsed US ⏱️ 0.0 years remaining

Dinitrophenylenediamines as herbicides

Assignee: Occidental Chemical Corp
•
Filing: 1970-02-27
•
Granted: 1975-07-22
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Expires: 1990-02-27
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Abstract

Abstract Compounds of the formula below are useful as herbicides WHEREIN X, Y and Z are substituents independently selected from the group consisting of nitro, fluorine, chlorine, bromine, iodine, hydrogen, and alkyl of 1 to 12 carbon atoms, provided that at least two of said X, Y and Z substituents are nitro; A, B, C and D are substituents independently selected from the group consisting of hydrogen, alkyl of 1 to 12 carbon atoms and alkenyl of 2 to 12 carbon atoms, provided that at most 3 of said A, B, C and D substituents are hydrogen, and further provided that at least one of said A, B, C and D substituents is an alkyl or alkenyl group of from 2 to 12 carbon atoms.

Inventors

  • 👤 Jerome Linder
  • 👤 Edward D Weil

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-06 10:09
CPC Classifications
A; A01; A01N; A01N33/00; A01N33/16; A01N33/18

Claims Analysis

Total Claims: 8
Claim 1
Independent Claim 22 words
A METHOD FOR CONTROLLING WEEDS COMPRISING APPLYING, TO THE LOCUS TO BE CONTROLLED, A HERBICIDAL AMOUNT OF A COMPOUND OF THE FORMULA
Claim 2
Independent Claim 22 words
A METHOD FOR CONTROLLING WEEDS COMPRISING APPLYING, TO THE LOCUS TO BE CONTROLLED, A HERBICIDAL AMOUNT OF A COMPOUND OF THE FORMULA
Claim 3
Independent Claim 23 words
The method for controlling weed growth which comprises applying to the locus of said weeds a phytotoxic amount of the compound N3, N3-diethyl-2,4-dinitro-6-chloro-1,3-phenylenediamine.
Claim 4
Independent Claim 23 words
The method for controlling weed growth which comprises applying to the locus of said weeds a phytotoxic amount of the compound N3, N3-diethyl-2,4-dinitro-6-chloro-1,3-phenylenediamine.
Claim 5
Independent Claim 23 words
The method for controlling weed growth which comprises applying to the locus of said weeds a phytotoxic amount of the compound N3, N3-di-n-propyl-2,4-dinitro-6-chloro-1,3-phenylenediamine.
Claim 6
Independent Claim 23 words
The method for controlling weed growth which comprises applying to the locus of said weeds a phytotoxic amount of the compound N3, N3-di-n-propyl-2,4-dinitro-6-chloro-1,3-phenylenediamine.
Claim 7
Independent Claim 22 words
A METHOD FOR CONTROLLING WEEDS COMPRISING APPLYING, TO THE LOCUS TO BE CONTROLLED, A HERBICIDAL AMOUNT OF A COMPOUND OF THE FORMULA
Claim 8
Independent Claim 22 words
A METHOD FOR CONTROLLING WEEDS COMPRISING APPLYING, TO THE LOCUS TO BE CONTROLLED, A HERBICIDAL AMOUNT OF A COMPOUND OF THE FORMULA

References Cited (Backward Citations)

US3111403A Cited
US3121116A Cited
US3257190A Cited
US3442639A Cited
US3449111A Cited
US3530184A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1978-07-21 1979-01-20 1979-07-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1982-07-21 1983-01-20 1983-07-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1986-07-21 1987-01-20 1987-07-22 $7700.00 Window Closed / Lapsed

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