Patent US3170640A successfully refreshed from Google Patents.
Patent US2887371A successfully refreshed from Google Patents.
US2887371A
Expired / Lapsed
US
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Method of killing undesired plants
Assignee: Monsanto Chemicals Ltd
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Filing: 1954-01-26
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Granted: 1959-05-19
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Expires: 1974-01-26
Abstract
No abstract record available.
Inventors
- 👤 George E Bennett
- 👤 William W Lee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:49
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/0803; C07F7/081; C07F7/0805
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
A METHOD OF KILLING UNDESIRED PLANTS WHICH COMPRISES APPLYING THERETO A LETHAL DOSE OF A MONOMERIC SILYL ACETYLENE IN WHICH THREE HYDROCARBON RADICALS OTHER THAN ATHE ACETYLENE RADICAL ARE ATTACHED TO THE SILICON ATOM, THE SAID HYDROCARBON RADICALS BEING SELECTED FROM THE GROUP CONSISTING OF ALKYL RADICALS OF 1 TO 6 CARBON ATOMS, PHENYL, AND ALKYLPHENYL RADICALS IN WHICH ALKYL CAN BE UP TO 4 CARBON ATOMS.
Claim 2
Independent Claim
67 words
A METHOD OF KILLING UNDESIRED PLANTS WHICH COMPRISES APPLYING THERETO A LETHAL DOSE OF A MONOMERIC SILYL ACETYLENE IN WHICH THREE HYDROCARBON RADICALS OTHER THAN ATHE ACETYLENE RADICAL ARE ATTACHED TO THE SILICON ATOM, THE SAID HYDROCARBON RADICALS BEING SELECTED FROM THE GROUP CONSISTING OF ALKYL RADICALS OF 1 TO 6 CARBON ATOMS, PHENYL, AND ALKYLPHENYL RADICALS IN WHICH ALKYL CAN BE UP TO 4 CARBON ATOMS.
References Cited (Backward Citations)
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Cited
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Cited
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Cited
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Cited
US2671795A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-18 | 1962-11-17 | 1963-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-18 | 1966-11-17 | 1967-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-18 | 1970-11-17 | 1971-05-19 | $7700.00 | Window Closed / Lapsed |