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US3013873A
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Herbicidal method using 3-nitro-2, 5-dichlorobenzoic acid
Assignee: Henkel Corp
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Filing: 1957-11-19
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Granted: 1961-12-19
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Expires: 1977-11-19
Abstract
No abstract record available.
Inventors
- 👤 Richard D Hart
- 👤 Harvey P Raman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:39
CPC Classifications
C; C07; C07C; C07C205/00; C07C205/49; C07C205/57; C07C205/58
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
44 words
A PROCESS OF ERADICATING WEEDS COMPRISING TREATING THE LOCUS OF WEED INFESTATION WITH A COMPOUND SELECTED FROM THE CLASS CONSISTING OF 3-NITRO 2,5-DICHLOROBENZOIC ACID, ITS HERBICIDAL SALTS, AMIDES AND ESTERS IN A CONCENTRATION AND AMOUNT SUFFICIENT TO EXERT A HERBICIDAL EFFECT ON THE WEEDS.
Claim 2
Dependent Claim
44 words
A PROCESS OF ERADICATING WEEDS COMPRISING TREATING THE LOCUS OF WEED INFESTATION WITH A COMPOUND SELECTED FROM THE CLASS CONSISTING OF 3-NITRO 2,5-DICHLOROBENZOIC ACID, ITS HERBICIDAL SALTS, AMIDES AND ESTERS IN A CONCENTRATION AND AMOUNT SUFFICIENT TO EXERT A HERBICIDAL EFFECT ON THE WEEDS.
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) | 1964-12-18 | 1965-06-19 | 1965-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-18 | 1969-06-19 | 1969-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-18 | 1973-06-19 | 1973-12-19 | $7700.00 | Window Closed / Lapsed |