Patent US3628943A successfully refreshed from Google Patents.
US3628943A
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Herbicidal composition and method of combating undesirable plant growth
Assignee: Individual
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Filing: 1969-03-26
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Granted: 1971-12-21
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Expires: 1989-03-26
Abstract
Abstract Total herbicidal composition comprising a mixture of a dehalogenated benzonitrile or a derivative thereof, a halogenated aliphatic carboxylic acid and a triazine or a halogenated phenoxy-alkyl-carboxylic acid.
Inventors
- 👤 Bengt Hjalmar Gullfeldt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:25
CPC Classifications
A; A01; A01N; A01N39/00; A01N39/02; A01N37/00; A01N37/02; A01N43/00; A01N43/64; A01N43/66; A01N43/68; A01N43/70
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
89 words
The herbicidal composition of claim 1, wherein there is present about 1 to 2 percent by weight of a member selected from the group consisting of 2,6-dichlorobenzonitrile, N-hydroxy-methyl-2,6-dichlorothiobenzamide and 2,6-dichlorothiobenzamide, about 2 to 5 percent by weight of a member consisting of 2,2-dichloropropionic acid, the sodium salt thereof and the potassium salt thereof and about 1 to 2 percent by weight of a member selected from the group consisting of 2-chloro-4-ethyl-amino-6-isopropylamino-s-triazine, 2-chloro-4,6-bisethylamino-5-triazine, 2,4,5-trichlorophenoxy-propionic acid, the potassium salt of said propionic acid and the sodium salt of said propionic acid.
Claim 2
Dependent Claim
21 words
The herbicidal composition of claim 1 wherein there is present 2,4,5-trichlorophenoxy-propionic acid, the potassium salt thereof or the sodium salt thereof.
Claim 3
Dependent Claim
22 words
The herbicidal composition of claim 1 wherein there is present a triazine selected from the group consisting of 2-chloro-4-ethyl-amino-6-isopropylamino-s-triazine and 2-chloro-4, 6-bisethylamino-5-triazine.
Claim 4
Dependent Claim
39 words
The herbicidal composition of claim 1 wherein there is present a member selected from the group consisting of 2,2-dichloropropionic acid, the sodium salt thereof, the potassium salt thereof, trichloroacetic acid, the potassium salt thereof and the sodium salt thereof.
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) | 1974-12-20 | 1975-06-21 | 1975-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-12-20 | 1979-06-21 | 1979-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-12-20 | 1983-06-21 | 1983-12-21 | $7700.00 | Window Closed / Lapsed |