US4063929A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Herbicidal 4-trifluoromethyl-4'nitrodiphenyl ethers
Assignee: Rohm and Haas Co
•
Filing: 1975-09-29
•
Granted: 1977-12-20
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Expires: 1995-09-29
Abstract
Abstract Salts of compounds of the formula ##STR1## wherein X is a hydrogen atom, a halogen atom, a trihalomethyl group, an alkyl group, or a cyano group, and Y is a hydrogen atom, a halogen atom, or a trihalomethyl group, And compositions containing these salts exhibit herbicidal activity.
Inventors
- 👤 Horst O. Bayer
- 👤 Colin Swithenbank
- 👤 Roy Y. Yih
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:26
CPC Classifications
C; C07; C07C; C07C205/00; C07C205/27; C07C205/35; C07C205/36; C07C205/38; C07C205/07; C07C205/11; C07C205/12; C07C205/39; C07C205/42; C07C205/43; C07C205/49; C07C205/57; C07C205/59; C07C275/00; C07C275/28; C07C275/32; C07C275/34; C07C275/36
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
26 words
An agronomically-acceptable salt of a compound of the formula ##STR9## wherein X is a halogen atom, and Y is a hydrogen atom or a halogen atom.
Claim 2
Dependent Claim
26 words
An agronomically-acceptable salt of a compound of the formula ##STR9## wherein X is a halogen atom, and Y is a hydrogen atom or a halogen atom.
Claim 3
Dependent Claim
15 words
A herbicidal composition comprising a salt according to claim 1 and an agronomically acceptable carrier.
Claim 4
Dependent Claim
11 words
A composition according to claim 2 which also comprises a surfactant.
Claim 5
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 salt according to claim 1 in an amount sufficient to control the growth of the weeds.
Claim 6
Dependent Claim
22 words
The method of claim 4 wherein the salt is applied at a rate of about 0.1 to about 12 pounds per acre.
Claim 7
Dependent Claim
28 words
A method of controlling weeds which comprises applying to weed seedlings a salt according to claim 1 in an amount sufficient to control the growth of the seedlings.
Claim 8
Dependent Claim
22 words
The method of claim 6 wherein the salt is applied at a rate of about 0.1 to about 12 pounds per acre.
References Cited (Backward Citations)
US3798276A
Cited
US3928416A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-12-19 | 1981-06-20 | 1981-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-12-19 | 1985-06-20 | 1985-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-12-19 | 1989-06-20 | 1989-12-20 | $7700.00 | Window Closed / Lapsed |