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US4070178A
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Herbicidal diphenyl ethers
Assignee: Rohm and Haas Co
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Filing: 1976-07-30
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Granted: 1978-01-24
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Expires: 1996-07-30
Abstract
Abstract Diphenyl ethers of the formula ##STR1##wherein R 1 is hydrogen or halogen, R 2 is hydrogen, halogen, or cyano, R is ##STR2## wherein R 3 is hydrogen, halogen, nitro, alkyl, or alkoxy, R 4 is a divalent alkylene radical, and R 5 is cyano or -COR 6 , wherein R 6 is alkoxy, hydroxy or salt thereof, allyloxy, alkoxyalkoxy, amino, alkyl or dialkyl amino, aminoalkoxy, or alkyl or dialkylaminoalkoxy, And diphenyl sulfides, sulfoxides, and sulfones of the formula ##STR3## wherein R 8 is hydrogen, halogen, cyano, nitro, alkyl, alkoxy, or trifluoromethyl, R 2 is hydrogen, halogen or cyano, X is sulfur, sulfinyl, or sulfonyl, and R is as defined above, And compositions containing these compounds exhibit herbicidal activity.
Inventors
- 👤 Wayne O. Johnson
- 👤 Roy Y. Yih
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 09:35
CPC Classifications
C; C07; C07C; C07C59/00; C07C59/40; C07C59/58; C07C59/64; C07C59/66; C07C59/68; C07C59/70
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
78 words
A compound of the formula ##STR17##wherein R 1 is a hydrogen atom or a halogen atom, R 2 is a hydrogen atom, a halogen atom or a cyano group, and R is a group of the formula ##STR18## wherein R 3 is a hydrogen atom, a halogen atom, a nitro group, a (C 1 -C 4 )alkyl group, or a (C 1 -C 4 )alkoxy group, and R 4 is a divalent (C 1 -C 5 )alkylene group.
Claim 2
Dependent Claim
78 words
A compound of the formula ##STR17##wherein R 1 is a hydrogen atom or a halogen atom, R 2 is a hydrogen atom, a halogen atom or a cyano group, and R is a group of the formula ##STR18## wherein R 3 is a hydrogen atom, a halogen atom, a nitro group, a (C 1 -C 4 )alkyl group, or a (C 1 -C 4 )alkoxy group, and R 4 is a divalent (C 1 -C 5 )alkylene group.
Claim 3
Dependent Claim
14 words
The compound of claim 1 wherein R is a group of the formula ##STR19##
Claim 4
Dependent Claim
14 words
The compound of claim 1 wherein R is a group of the formula ##STR20##
Claim 5
Dependent Claim
12 words
The compound of claim 3 wherein R 3 is a hydrogen atom.
Claim 6
Dependent Claim
12 words
The compound of claim 4 wherein R 2 is a hydrogen atom.
Claim 7
Dependent Claim
32 words
The compound of claim 5 wherein R 4 is a group of the formula --CHR 7 -- wherein R 7 is a hydrogen atom or a (C 1 -C 4 )alkyl group.
Claim 8
Dependent Claim
19 words
The compound of claim 6 wherein R 1 is a chlorine atom and R 7 is a methyl group.
Claim 9
Dependent Claim
19 words
The compound of claim 6 wherein R 1 is a hydrogen atom and R 7 is a methyl group.
Claim 10
Dependent Claim
13 words
A herbicidal composition comprising a compound of claim 1 and an agronomically-acceptable carrier.
Claim 11
Dependent Claim
39 words
A method for controlling weeds which comprises applying to the growth medium prior to the emergence of the weeds from the growth medium a compound of claim 1 in an amount sufficient to control the growth of the weeds.
Claim 12
Dependent Claim
10 words
The method of claim 10 wherein the weeds are monocots.
Claim 13
Dependent Claim
27 words
A method for controlling weeds which comprises applying to weed seedlings a compound of claim 1 in an amount sufficient to control the growth of the seedlings.
Claim 14
Dependent Claim
10 words
The method of claim 12 wherein the weeds are monocots.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-01-23 | 1981-07-25 | 1982-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-01-23 | 1985-07-25 | 1986-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-01-23 | 1989-07-25 | 1990-01-24 | $7700.00 | Window Closed / Lapsed |