US3869277A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Herbicidal composition and methods
Assignee: F Hoffmann La Roche AG
•
Filing: 1973-05-16
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Granted: 1975-03-04
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Expires: 1993-05-16
Abstract
Abstract Compositions possessing post-emergence herbicidal activity and contain as the active ingredient L-trans-2-amino-4-(2aminoethoxy)-3-butenoic acid or acid addition salts thereof are described.
Inventors
- 👤 Julius Berger
- 👤 David Pruess
- 👤 James Parnell Scannell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:00
CPC Classifications
A; A01; A01N; A01N37/00; A01N37/44
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
50 words
A METHOD OF CONTROLLING UNDESIRABLE PLANTS BY POSTEMERGENT TREATMENT WHICH COMPRISES APPLYING TO SAID PLANTS A HERBICIDALLY EFFECTIVE AMOUNT OF A COMPOSITION COMPRISING A HERBICIDAL ADJUNCT, AS THE ACTIVE INGREDIENT, A HERBICIDALLY EFFECTIVE AMOUNT OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF L-TRANS-2-AMINO-4-(2-AMINOETHOXY)-3-BUTENOIC ACID AND ACID ADDITION SALTS THEREOF.
Claim 2
Independent Claim
50 words
A METHOD OF CONTROLLING UNDESIRABLE PLANTS BY POSTEMERGENT TREATMENT WHICH COMPRISES APPLYING TO SAID PLANTS A HERBICIDALLY EFFECTIVE AMOUNT OF A COMPOSITION COMPRISING A HERBICIDAL ADJUNCT, AS THE ACTIVE INGREDIENT, A HERBICIDALLY EFFECTIVE AMOUNT OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF L-TRANS-2-AMINO-4-(2-AMINOETHOXY)-3-BUTENOIC ACID AND ACID ADDITION SALTS THEREOF.
Claim 3
Dependent Claim
33 words
A method of controlling undesirable plants by postemergent treatment which comprises applying to said plants a herbicidally effective amount of the composition of claim 1 wherein said acid addition salt is the hydrochloride.
References Cited (Backward Citations)
US2965635A
Cited
US3751459A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-03-03 | 1978-09-02 | 1979-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-03-03 | 1982-09-02 | 1983-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-03-03 | 1986-09-02 | 1987-03-04 | $7700.00 | Window Closed / Lapsed |