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US4067719A Expired / Lapsed US ⏱️ 0.0 years remaining

O-Aryl N-phosphonomethylglycinonitriles and the herbicidal use thereof

Assignee: Monsanto Co
•
Filing: 1976-12-13
•
Granted: 1978-01-10
•
Expires: 1996-12-13
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Abstract

Abstract O-aryl N-phosphonomethylglycinonitriles are described as well as a process for producing same. These phosphonomethyl substituted glycinonitriles are useful as herbicides.

Inventors

  • 👤 Gerard A. Dutra

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 20:00
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/28; C07F9/38; C07F9/40; C07F9/4071; C07F9/4084; A; A01; A01N; A01N57/00; A01N57/18; A01N57/22; A01N57/24; C07F9/4003; C07F9/4006

Claims Analysis

Total Claims: 58
Claim 1
Independent Claim 102 words
A compound of the formula ##STR8##wherein Aryl is selected from phenyl, naphthyl or biphenylyl, each X is a substituent on said Aryl selected from halogen, alkyl of 1 to 4 carbons, alkoxy and alkylthio of 1 to 3 carbons, alkoxycarbonyl of 2 to 3 carbon atoms, methylenedioxy, cyano, trifluoromethyl or nitro, Z is oxygen or sulfur, a is an integer from zero to 3, b is an integer from zero to 1, R is a strong acid capable of forming a salt with the amino group, and x is zero or 1, provided that x must be zero when b is 1.
Claim 2
Dependent Claim 102 words
A compound of the formula ##STR8##wherein Aryl is selected from phenyl, naphthyl or biphenylyl, each X is a substituent on said Aryl selected from halogen, alkyl of 1 to 4 carbons, alkoxy and alkylthio of 1 to 3 carbons, alkoxycarbonyl of 2 to 3 carbon atoms, methylenedioxy, cyano, trifluoromethyl or nitro, Z is oxygen or sulfur, a is an integer from zero to 3, b is an integer from zero to 1, R is a strong acid capable of forming a salt with the amino group, and x is zero or 1, provided that x must be zero when b is 1.
Claim 3
Dependent Claim 11 words
A compound as defined in claim 1 wherein a is zero.
Claim 4
Dependent Claim 15 words
A compound as defined in claim 1 wherein x is one and b is zero.
Claim 5
Dependent Claim 15 words
A compound as defined in claim 1 wherein x is zero and b is one.
Claim 6
Dependent Claim 14 words
A compound as defined in claim 1 wherein both b and x are zero.
Claim 7
Dependent Claim 20 words
A compound as defined in claim 1 wherein the strong acid has a pKa in water of 2.5 or less.
Claim 8
Dependent Claim 15 words
A compound as defined in claim 1 wherein Aryl is phenyl and Z is oxygen.
Claim 9
Dependent Claim 15 words
A compound as defined in claim 7 wherein x is one and b is zero.
Claim 10
Dependent Claim 15 words
A compound as defined in claim 7 wherein x is zero and b is one.
Claim 11
Dependent Claim 14 words
A compound as defined in claim 7 wherein both b and x are zero.
Claim 12
Dependent Claim 11 words
A compound as defined in claim 1 which is O,O-diphenyl N-phosphonomethylglycinonitrile.
Claim 13
Dependent Claim 11 words
A compound as defined in claim 1 which is O,O-di(p-methoxyphenyl) N-phosphonomethylglycinonitrile.
Claim 14
Dependent Claim 11 words
A compound as defined in claim 1 which is O,O-di(p-fluorophenyl) N-phosphonomethylglycinonitrile.
Claim 15
Dependent Claim 11 words
A compound as defined in claim 1 which is O-phenyl N-phosphonomethylglycinonitrile.
Claim 16
Dependent Claim 11 words
A compound as defined in claim 1 which is O-m-nitrophenyl N-phosphonomethylglycinonitrile.
Claim 17
Dependent Claim 11 words
A compound as defined in claim 1 which is O-o-chlorophenyl N-phosphonomethylglycinonitrile.
Claim 18
Dependent Claim 16 words
A compound as defined in claim 1 which is the hydrogen bromide salt of O,O-diphenyl N-phosphonomethylglycinonitrile.
Claim 19
Dependent Claim 16 words
A compound as defined in claim 1 which is the trifluoroacetic acid salt of O,O-diphenyl N-phosphonomethylglycinonitrile.
Claim 20
Dependent Claim 16 words
A compound as defined in claim 1 which is the methanesulfonic acid salt of O,O-diphenyl N-phosphonomethylglycinonitrile.
Claim 21
Dependent Claim 18 words
A herbicidal composition comprising a herbicidally effective amount of a compound of claim 1 and an inert diluent.
Claim 22
Dependent Claim 18 words
A herbicidal composition comprising a herbicidally effective amount of a compound of claim 2 and an inert diluent.
Claim 23
Dependent Claim 18 words
A herbicidal composition comprising a herbicidally effective amount of a compound of claim 3 and an inert diluent.
Claim 24
Dependent Claim 18 words
A herbicidal composition comprising a herbicidally effective amount of a compound of claim 4 and an inert diluent.
Claim 25
Dependent Claim 18 words
A herbicidal composition comprising a herbicidally effective amount of a compound of claim 5 and an inert diluent.
Claim 26
Dependent Claim 18 words
A herbicidal composition comprising a herbicidally effective amount of a compound of claim 6 and an inert diluent.
Claim 27
Dependent Claim 18 words
A herbicidal composition comprising a herbicidally effective amount of a compound of claim 7 and an inert diluent.
Claim 28
Dependent Claim 18 words
A herbicidal composition comprising a herbicidally effective amount of a compound of claim 8 and an inert diluent.
Claim 29
Dependent Claim 18 words
A herbicidal composition comprising a herbicidally effective amount of a compound of claim 9 and an inert diluent.
Claim 30
Dependent Claim 18 words
A herbicidal composition comprising a herbicidally effective amount of a compound of claim 10 and an inert diluent.
Claim 31
Dependent Claim 18 words
A herbicidal composition comprising a herbicidally effective amount of the compound of claim 11 and an inert diluent.
Claim 32
Dependent Claim 18 words
A herbicidal composition comprising a herbicidally effective amount of the compound of claim 12 and an inert diluent.
Claim 33
Dependent Claim 18 words
A herbicidal composition comprising a herbicidally effective amount of the compound of claim 13 and an inert diluent.
Claim 34
Dependent Claim 18 words
A herbicidal composition comprising a herbicidally effective amount of the compound of claim 14 and an inert diluent.
Claim 35
Dependent Claim 18 words
A herbicidal composition comprising a herbicidally effective amount of the compound of claim 15 and an inert diluent.
Claim 36
Dependent Claim 18 words
A herbicidal composition comprising a herbicidally effective amount of the compound of claim 16 and an inert diluent.
Claim 37
Dependent Claim 18 words
A herbicidal composition comprising a herbicidally effective amount of the compound of claim 17 and an inert diluent.
Claim 38
Dependent Claim 18 words
A herbicidal composition comprising a herbicidally effective amount of the compound of claim 18 and an inert diluent.
Claim 39
Dependent Claim 18 words
A herbicidal composition comprising a herbicidally effective amount of the compound of claim 19 and an inert diluent.
Claim 40
Dependent Claim 24 words
A herbicidal method which comprises contacting a plant or the plant growth medium with a herbicidally effective amount of a compound of claim 1.
Claim 41
Dependent Claim 24 words
A herbicidal method which comprises contacting a plant or the plant growth medium with a herbicidally effective amount of a compound of claim 2.
Claim 42
Dependent Claim 24 words
A herbicidal method which comprises contacting a plant or the plant growth medium with a herbicidally effective amount of a compound of claim 3.
Claim 43
Dependent Claim 24 words
A herbicidal method which comprises contacting a plant or the plant growth medium with a herbicidally effective amount of a compound of claim 4.
Claim 44
Dependent Claim 24 words
A herbicidal method which comprises contacting a plant or the plant growth medium with a herbicidally effective amount of a compound of claim 5.
Claim 45
Dependent Claim 24 words
A herbicidal method which comprises contacting a plant or the plant growth medium with a herbicidally effective amount of a compound of claim 6.
Claim 46
Dependent Claim 24 words
A herbicidal method which comprises contacting a plant or the plant growth medium with a herbicidally effective amount of a compound of claim 7.
Claim 47
Dependent Claim 24 words
A herbicidal method which comprises contacting a plant or the plant growth medium with a herbicidally effective amount of a compound of claim 8.
Claim 48
Dependent Claim 24 words
A herbicidal method which comprises contacting a plant or the plant growth medium with a herbicidally effective amount of a compound of claim 9.
Claim 49
Dependent Claim 24 words
A herbicidal method which comprises contacting a plant or the plant growth medium with a herbicidally effective amount of a compound of claim 10.
Claim 50
Dependent Claim 24 words
A herbicidal method which comprises contacting a plant or the plant growth medium with a herbicidally effective amount of the compound of claim 11.
Claim 51
Dependent Claim 24 words
A herbicidal method which comprises contacting a plant or the plant growth medium with a herbicidally effective amount of the compound of claim 12.
Claim 52
Dependent Claim 24 words
A herbicidal method which comprises contacting a plant or the plant growth medium with a herbicidally effective amount of the compound of claim 13.
Claim 53
Dependent Claim 24 words
A herbicidal method which comprises contacting a plant or the plant growth medium with a herbicidally effective amount of the compound of claim 14.
Claim 54
Dependent Claim 24 words
A herbicidal method which comprises contacting a plant or the plant growth medium with a herbicidally effective amount of the compound of claim 15.
Claim 55
Dependent Claim 24 words
A herbicidal method which comprises contacting a plant or the plant growth medium with a herbicidally effective amount of the compound of claim 16.
Claim 56
Dependent Claim 24 words
A herbicidal method which comprises contacting a plant or the plant growth medium with a herbicidally effective amount of the compound of claim 17.
Claim 57
Dependent Claim 24 words
A herbicidal method which comprises contacting a plant or the plant growth medium with a herbicidally effective amount of the compound of claim 18.
Claim 58
Dependent Claim 24 words
A herbicidal method which comprises contacting a plant or the plant growth medium with a herbicidally effective amount of the compound of claim 19.

References Cited (Backward Citations)

US4008296A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1981-01-09 1981-07-11 1982-01-10 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1985-01-09 1985-07-11 1986-01-10 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1989-01-09 1989-07-11 1990-01-10 $7700.00 Window Closed / Lapsed

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