Patent US2671016A successfully refreshed from Google Patents.
US2671016A
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Herbicidal compositions
Assignee: Monsanto Chemicals Ltd
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Filing: 1951-10-23
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Granted: 1954-03-02
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Expires: 1971-10-23
Abstract
No abstract record available.
Inventors
- 👤 Floyd B Erickson
- 👤 Arthur H Schlesinger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 19:32
CPC Classifications
A; A01; A01N; A01N35/00; A01N35/04
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
92 words
THE METHOD OF DESTROYING UNDESIRABLE PLANTS WHICH COMPRISES APPLYING TO SAID PLANTS A TOXIC QUANTITY OF A HERBICIDAL COMPOSITION COMPRISING AS THE ESSENTIAL ACTIVE INGREDIENT AN AROMATIC KETONE SELECTED FROM THE CLASS CONSISTING OF BENZOPHENONE, ALKYL-SUBSTITUTED BENZOPHENONES IN WHICH EACH ALKYL RADICAL HAS FROM 1 TO 5 CARBON ATOMS, CHLORINE-SUBSTITUTED BENZOPHENONES, BROMINE-SUBSTITUTED BENZOPHENONES, BENZOPHENONES HAVING BOTH CHLORINE AND ALKYL SUBSTITUENTS IN WHICH EACH ALKYL SUBSTITUENT CONTAINS FROM 1 TO 5 CARBON ATOMS AND BENZOPHENONES HAVING BOTH BROMINE AND ALKYL SUBSTITUENTS IN WHICH EACH ALKYL SUBSTITUENT CONTAINS FROM 1 TO 5 CARBON ATOMS.
References Cited (Backward Citations)
DE476753C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-03-01 | 1957-08-31 | 1958-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-01 | 1961-08-31 | 1962-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-01 | 1965-08-31 | 1966-03-02 | $7700.00 | Window Closed / Lapsed |