Patent EP0131554A2 successfully refreshed from Google Patents.
US4164409A
Expired / Lapsed
US
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Substituted phenoxybenzoic acids, compositions of the same and herbicidal use thereof
Assignee: Bayer CropScience SA
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Filing: 1978-05-05
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Granted: 1979-08-14
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Expires: 1998-05-05
Abstract
Abstract 2-Nitro-5-(substituted-phenoxy)benzoic acids and esters, salts, amides, and acyl halides thereof comprise a class of compounds that are highly effective herbicides.
Inventors
- 👤 Robert J. Theissen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 06:42
CPC Classifications
C; C07; C07C; C07C205/00; C07C205/49; C07C205/57; C07C205/59
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
96 words
Herbicidal compounds having the formula: ##STR4## wherein X is a member selected from the group consisting of halogen, nitro, trifluoromethyl, cyano, COOH, ##STR5## (alkyl of 1 to 4 carbon atoms), hydroxy, alkoxy of 1 to 4 carbon atoms, alkyl of 1 to 4 carbon atoms, ##STR6## SH, SR 1 , SOR 1 , SO 2 R 1 , SO 2 NH 2 and combinations thereof, R 1 and R 2 are selected from the group consisting of alkyl of 1 to 4 carbon atoms, R is hydroxy, and n is an integer of 1 to 5.
Claim 2
Dependent Claim
96 words
Herbicidal compounds having the formula: ##STR4## wherein X is a member selected from the group consisting of halogen, nitro, trifluoromethyl, cyano, COOH, ##STR5## (alkyl of 1 to 4 carbon atoms), hydroxy, alkoxy of 1 to 4 carbon atoms, alkyl of 1 to 4 carbon atoms, ##STR6## SH, SR 1 , SOR 1 , SO 2 R 1 , SO 2 NH 2 and combinations thereof, R 1 and R 2 are selected from the group consisting of alkyl of 1 to 4 carbon atoms, R is hydroxy, and n is an integer of 1 to 5.
Claim 3
Dependent Claim
19 words
The method for controlling plant growth that comprises applying an herbicidal amount of a compound defined in claim 1.
Claim 4
Dependent Claim
20 words
An herbicidal composition comprising a carrier for an herbicide and an herbicidal amount of a compound defined in claim 1.
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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) | 1982-08-13 | 1983-02-12 | 1983-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-08-13 | 1987-02-12 | 1987-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-08-13 | 1991-02-12 | 1991-08-14 | $7700.00 | Window Closed / Lapsed |