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US3876414A Expired / Lapsed US ⏱️ 0.0 years remaining

Substituted propene thiocyanate and isothiocyanate containing compositions and their use in killing weeds

Assignee: Zeneca Inc
•
Filing: 1973-10-09
•
Granted: 1975-04-08
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Expires: 1993-10-09
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Abstract

Abstract Compounds corresponding to the formula Wherein ARYL is phenyl, substituted phenyl, naphthyl, and substituted naphthyl in which the substituents are halogen, nitro, and lower alkyl; R is independently hydrogen, or lower alkyl; R.sub.1 is independently hydrogen, lower alkyl, or phenyl; R.sub.2 is independently hydrogen lower alkyl, and phenyl; with the provision that R, R.sub.1, and R.sub.2 are not simultaneously hydrogen when ARYL is phenyl; and Y is selected from the group consisting of --SCN and --NCS. The above-defined compounds are effective herbicides.

Inventors

  • 👤 Llewellyn W Fancher

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 03:54
CPC Classifications
C; C07; C07C; C07C331/00; C07C331/16; C07C331/18; C07C331/22; C07C331/24; C07C331/02; C07C331/04

Claims Analysis

Total Claims: 16
Claim 1
Independent Claim 13 words
A COMPOSITION COMPRISING AN HERBICIDALLY EFFECTIVE AMOUNT OF A COMPOUND HAVING THE FORMULA
Claim 2
Dependent Claim 13 words
A COMPOSITION COMPRISING AN HERBICIDALLY EFFECTIVE AMOUNT OF A COMPOUND HAVING THE FORMULA
Claim 3
Dependent Claim 13 words
A composition comprising an herbicidally effective amount of a compound having the formula
Claim 4
Dependent Claim 13 words
A composition comprising an herbicidally effective amount of a compound having the formula
Claim 5
Dependent Claim 13 words
A composition comprising an herbicidally effective amount of a compound having the formula
Claim 6
Dependent Claim 13 words
A composition comprising an herbicidally effective amount of a compound having the formula
Claim 7
Dependent Claim 22 words
The composition of claim 3 wherein m is O, R is hydrogen, R.sub.1 is methyl, R.sub.2 is hydrogen, and Y is --SCN.
Claim 8
Dependent Claim 9 words
The composition of claim 4 wherein X is Cl.
Claim 9
Independent Claim 27 words
A method of killing weeds comprising applying to the weeds or to a locus to be protected an herbicidally effective amount of a compound having the formula
Claim 10
Independent Claim 27 words
A method of killing weeds comprising applying to the weeds or to a locus to be protected an herbicidally effective amount of a compound having the formula
Claim 11
Dependent Claim 22 words
The method of claim 6 wherein m is O, R is hydrogen, R.sub.1 is methyl, R.sub.2 is hydrogen, and Y is --SCN.
Claim 12
Dependent Claim 9 words
The method of claim 7 wherein X is Cl.
Claim 13
Independent Claim 23 words
A method of killing weeds comprising applying to the weeds or to a locus to be protected an herbicidally effective amount of 1-(2-chlorophenyl)-3-thiocyanato-propene-1.
Claim 14
Independent Claim 23 words
A method of killing weeds comprising applying to the weeds or to a locus to be protected an herbicidally effective amount of 1-(2-chlorophenyl)-3-thiocyanato-propene-1.
Claim 15
Independent Claim 23 words
A method of killing weeds comprising applying to the weeds or to a locus to be protected an herbicidally effective amount of 1-(2,4-dichlorophenyl)-3-isothiocyanato-propene-1.
Claim 16
Independent Claim 23 words
A method of killing weeds comprising applying to the weeds or to a locus to be protected an herbicidally effective amount of 1-(2,4-dichlorophenyl)-3-isothiocyanato-propene-1.

References Cited (Backward Citations)

US2394915A Cited
US3034881A Cited
US3553243A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1978-04-07 1978-10-07 1979-04-08 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1982-04-07 1982-10-07 1983-04-08 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1986-04-07 1986-10-07 1987-04-08 $7700.00 Window Closed / Lapsed

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