US4093446A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Herbicidal 4-trifluoromethyl-4-nitrodiphenyl ethers
Assignee: Rohm and Haas Co
•
Filing: 1976-08-31
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Granted: 1978-06-06
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Expires: 1996-08-31
Abstract
Abstract Compounds of the formula ##STR1## wherein X is a hydrogen atom, a halogen atom, a trihalomethyl group, an alkyl group, or a cyano group, Y is a hydrogen atom, a halogen atom, or a trihalomethyl group, and Z is a substituted alkoxy group, And compositions containing these compounds exhibit herbicidal activity.
Inventors
- 👤 Horst O. Bayer
- 👤 Colin Swithenbank
- 👤 Roy Y. Yih
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:04
CPC Classifications
C; C07; C07C; C07C275/00; C07C275/28; C07C275/32; C07C275/34; C07C275/36; C07C205/00; C07C205/07; C07C205/11; C07C205/12; C07C205/27; C07C205/35; C07C205/36; C07C205/38; C07C205/39; C07C205/42; C07C205/43; C07C205/49; C07C205/57; C07C205/59; C07D; C07D303/00; C07D303/02; C07D303/12; C07D303/18; C07D303/20; C07D303/24
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
74 words
A compound of the formula ##STR8## wherein X is a hydrogen atom, a halogen atom, a trifluoromethyl group, or a (C 1 -C 4 ) alkyl group, T is a hydrogen atom, a halogen atom, or a trifluoromethyl group, and Z is a (C 1 -C 4 ) alkoxy group having one or more hydrogen atoms replaced by a carboxy group, or an agronomically-acceptable salt thereof, or a carb(C 1 -C 4 )alkoxy group.
Claim 2
Dependent Claim
74 words
A compound of the formula ##STR8## wherein X is a hydrogen atom, a halogen atom, a trifluoromethyl group, or a (C 1 -C 4 ) alkyl group, T is a hydrogen atom, a halogen atom, or a trifluoromethyl group, and Z is a (C 1 -C 4 ) alkoxy group having one or more hydrogen atoms replaced by a carboxy group, or an agronomically-acceptable salt thereof, or a carb(C 1 -C 4 )alkoxy group.
Claim 3
Dependent Claim
55 words
A compound according to claim 1 wherein Z is a group of the formula ##STR9## wherein Z 1 is a carboxy group, or an agronomically-acceptable salt thereof, or a carb(C 1 -C 4 )alkoxy group, Z 2 is a hydrogen atom or a (C 1 -C 3 )alkyl group, and n is 0 or 1.
Claim 4
Dependent Claim
12 words
A compound according to claim 1 wherein Y is a hydrogen atom.
Claim 5
Dependent Claim
12 words
A compound according to claim 3 wherein X is a halogen atom.
Claim 6
Dependent Claim
17 words
A compound according to claim 2 wherein Z 2 is a methyl group and n is 0.
Claim 7
Dependent Claim
17 words
A compound according to claim 5 wherein Z 1 is a carb(C 1 -C 4 )alkoxy group.
Claim 8
Dependent Claim
19 words
A compound according to claim 6 wherein X is a chlorine atom and Z 1 is a carbethoxy group.
Claim 9
Dependent Claim
18 words
A compound according to claim 5 wherein Z 1 is a carboxy group or an agronomically-acceptable salt thereof.
Claim 10
Dependent Claim
12 words
A compound according to claim 8 wherein X is a chlorine atom.
Claim 11
Dependent Claim
20 words
A herbicidal composition which comprises a herbicidally effective amount of a compound according to claim 1 and an agronomically-acceptable carrier.
Claim 12
Dependent Claim
11 words
A composition according to claim 10 which also comprises a surfactant.
Claim 13
Dependent Claim
43 words
A method of controlling weeds which comprises applying to the surface of the growth medium prior to the emergence of the weeds from the growth medium a compound according to claim 1 in an amount sufficient to control the growth of the weeds.
Claim 14
Dependent Claim
22 words
The method of claim 12 wherein the compound is applied at a rate of about 0.1 to about 12 pounds per acre.
Claim 15
Dependent Claim
28 words
A method of controlling weeds which comprises applying to weed seedlings a compound according to claim 1 in an amount sufficient to control the growth of the seedlings.
Claim 16
Dependent Claim
22 words
The method of claim 14 wherein the compound is applied at a rate of about 0.1 to about 12 pounds per acre.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-06-05 | 1981-12-05 | 1982-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-06-05 | 1985-12-05 | 1986-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-06-05 | 1989-12-05 | 1990-06-06 | $7700.00 | Window Closed / Lapsed |