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Halophenoxy benzoic acid herbicides

Assignee: Bayer CropScience SA
•
Filing: 1971-11-01
•
Granted: 1973-12-04
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Expires: 1991-11-01
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Abstract

Abstract 2-Nitro-5-(halophenoxy)benzoic acids and esters, salts, amides, and acyl halides thereof comprise a class of compounds that are highly effective pre- and post-emergence herbicides.

Inventors

  • 👤 R Theissen

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-07 11:10
CPC Classifications
C; C07; C07C; C07C205/00; C07C205/49; C07C205/57; C07C205/59

Claims Analysis

Total Claims: 9
Claim 1
Independent Claim 19 words
The method of claim 1, wherein R is methoxy, n is 3, and X is chlorine in the 2'',4'',6''-positions.
Claim 2
Dependent Claim 19 words
The method of claim 1, wherein R is hydroxyl, n is 3, and X is chlorine in the 2'',4'',6''-positions.
Claim 3
Dependent Claim 19 words
The method of claim 1, wherein R is methoxy n is 2, and X is chlorine in the 2'',4''-positions.
Claim 4
Dependent Claim 19 words
The method of claim 1, wherein R iS methoxy, n is 3, and X is chlorine in the 2'',4'',5''-positions.
Claim 5
Dependent Claim 19 words
An herbicidal composition comprising a carrier for an herbicide and an herbicidal amount of a compound having the formula:
Claim 6
Dependent Claim 23 words
The composition of claim 6, wherein R is methoxy, n is 3, and X is chlorine in the 2'' , 4'' 6'' positions.
Claim 7
Dependent Claim 19 words
The composition of claim 6, wherein R is hydroxyl, n is 3, and X is chlorine in the 2'',4'',6''-positions.
Claim 8
Dependent Claim 19 words
The composition of claim 6, wherein R is methoxy, n is 2, and X is chlorine in the 2'',4''-positions.
Claim 9
Dependent Claim 19 words
The composition of claim 6, wherein R is methoxy, n is 3, and X is chlorine in the 2'',4'',5''-positions.

References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1976-12-03 1977-06-04 1977-12-04 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1980-12-03 1981-06-04 1981-12-04 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1984-12-03 1985-06-04 1985-12-04 $7700.00 Window Closed / Lapsed

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